Term
|
Definition
Term: Neuron within the CNS; relays sensory neuron information to motor neuron. |
|
|
Term
|
Definition
Term: Neuron that brings information from the CNS to the effector (such as a muscle). |
|
|
Term
Soma (Cell body) Dendrite Axon |
|
Definition
What are the three parts of a neuron? |
|
|
Term
|
Definition
What is the axon covered in, and what is this covering made of? |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
Term: Part of the axon of a neuron that is not covered by a myelin sheath. |
|
|
Term
Very fast; from one Node of Ranvier to the next. |
|
Definition
How does the action potential travel? |
|
|
Term
|
Definition
What is the signal of the NS? |
|
|
Term
Change in membrane permeability |
|
Definition
How is action potential produced? |
|
|
Term
|
Definition
What is the resting potential of a neuron? |
|
|
Term
There is more negative potential on the inside because of proteins, and more + on outside due to Sodium. |
|
Definition
Why is there a negative amount of millivolts for the resting potential? |
|
|
Term
Sodium-Potassium-ATPase pump |
|
Definition
Term: Maintains resting potential. |
|
|
Term
Pumps Sodium in and Potassium out |
|
Definition
What is the function of the Sodium-Potassium-ATPase pump? |
|
|
Term
Once it reaches the threshold and goes through depolarization. |
|
Definition
When is AP generated with a minimum stimulus? |
|
|
Term
|
Definition
Term: Sacs holding chemicals that take place in the NS. |
|
|
Term
|
Definition
What makes the vesicles, filled with chemicals, empty over the edge? |
|
|
Term
|
Definition
Can there be a 1/2 response of action potential? |
|
|
Term
|
Definition
What occurs after the action potential? |
|
|
Term
The membrane is hyperpolarized (less millivolts than resting period). |
|
Definition
What happens during the refractory period? |
|
|
Term
A large number of Potassium ions was released. |
|
Definition
Why does the refractory period occur? |
|
|
Term
The Sodium-Potassium-ATPase pump works during the refractory period to bring levels back to the resting period. |
|
Definition
What happens after the refractory period occurs? |
|
|
Term
Not all the gate channels have been reset. |
|
Definition
Why is it so difficult for new action potential to be generated during the refractory period? |
|
|
Term
|
Definition
About how long does the refractory period last? |
|
|
Term
1. Increasing the axon diameter 2. Adding myelin sheath |
|
Definition
How can the speed of action potential be increased? |
|
|
Term
|
Definition
Which animal has the largest diameter axon and great escape response? |
|
|
Term
Synapse neuron -> Neuron -> Muscle cell/Gland cell |
|
Definition
What happens when the action potential reaches the axon terminal? |
|
|
Term
|
Definition
Term: Space between neurons |
|
|
Term
Electrical Synapse Chemical Synapse |
|
Definition
What are the two types of synapses? |
|
|
Term
Positive ions move directly from 1 neuron to the next; go in both directions. ex) Fish darting away |
|
Definition
Describe an electrical synapse and give an example of the reaction to one. |
|
|
Term
Chemicals, stored in vesicles, act as neurotransmitters that diffuse across the synaptic cleft and bind to a receptor in the postsynaptic membrane and cause depolarization. Ex) Epinephrine causes a burst of energy. |
|
Definition
Describe a chemical synapse and an example of one in use. |
|
|
Term
Acetocholine (ACh) Epinephrine |
|
Definition
Give an example of a chemical synapse. |
|
|
Term
|
Definition
Give an example of a neurotransmitter-deactivator. |
|
|
Term
|
Definition
In order for a neurotransmitter to work again, what must happen to it each time once it has done its job? |
|
|
Term
|
Definition
What must an organism have if it has a NS? |
|
|
Term
|
Definition
What are the two parts of the vertebrate Nervous System? |
|
|
Term
|
Definition
What are the two parts of the CNS? |
|
|
Term
|
Definition
What are the two divisions of the Peripheral NS? |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
What are the two divisions of the motor division of the Peripheral NS? |
|
|
Term
Sympathetic NS Parasympathetic NS |
|
Definition
What are the two divisions of the Autonomic NS? |
|
|
Term
Controls fight or flight response |
|
Definition
What is the function of the Sympathetic NS? |
|
|
Term
Stimulates digestion and feeling contentment (such as being lazy). |
|
Definition
What is the function of the Parasympathetic NS? |
|
|
Term
|
Definition
Term: Bundled axons in CNS. |
|
|
Term
|
Definition
Term: Bundled axons in PNS. |
|
|
Term
Controls voluntary motor nerves. |
|
Definition
What is the function of the somatic NS of the motor division? |
|
|
Term
1. Links brain and rest of body 2. Impulse in reflex arcs |
|
Definition
What are the two important functions of the spinal cord? |
|
|
Term
Cerebrospinal Fluid (CSF) |
|
Definition
Term: Protective liquid barrier in spinal cord. |
|
|
Term
Cerebrospinal Fluid Meninges |
|
Definition
What protects the spinal cord? |
|
|
Term
Pia Mater Arachnoid Dura Mater |
|
Definition
What are the three meninges that protect the spinal cord, from inside to outside? |
|
|
Term
Has blood vessels; nourishes spinal cord |
|
Definition
|
|
Term
Middle layer protecting spinal cord |
|
Definition
|
|
Term
Outer layer; toughest, fibrous |
|
Definition
|
|
Term
|
Definition
Where do spinal nerves emerge? |
|
|
Term
Forebrain Midbrain Hindbrain |
|
Definition
What are the three divisions of the brain? |
|
|
Term
Telencephalon Diencephalon |
|
Definition
What embryonic layers make up the forebrain? |
|
|
Term
|
Definition
What embryonic layer makes up the midbrain? |
|
|
Term
Metencephalon Myelincephalon |
|
Definition
What embryonic layers make up the hindbrain? |
|
|
Term
|
Definition
Which part of the brain connects to the spinal cord? |
|
|
Term
Medulla Oblongata Cerebellum Pons |
|
Definition
What are the parts of the hindbrain? |
|
|
Term
Reflex center for visceral functions (Breathing, swallowing, cardiovascular function, gastric secretion) and screens info in and out of brain |
|
Definition
What is the function of the medulla oblongata? |
|
|
Term
Posture, Orientation, and Balance |
|
Definition
What is the function of the Cerebellum? |
|
|
Term
|
Definition
The brain is much larger in what classes? |
|
|
Term
Bridge between cerebrum and cerebellum |
|
Definition
|
|
Term
Coordinates reflex responses to visual, tactile, and auditory input. |
|
Definition
What is the function of the midbrain? |
|
|
Term
Thalamus Epithalamus Hypothalamus Pituitary Gland Pineal Gland |
|
Definition
What parts of the forebrain does the diencephalon make up? |
|
|
Term
|
Definition
Are the Pineal and Pituitary glands part of the brain? |
|
|
Term
Relay center for sensory information from vision, hearing, touch, etc. (ALL SENSES EXCEPT SMELL) |
|
Definition
What is the function of the Thalamus? |
|
|
Term
Controls basic drives (hunger, thirst, temperature, sex drive) |
|
Definition
What is the function of the hypothalamus? |
|
|
Term
|
Definition
What is the function of the pituitary gland? |
|
|
Term
Controls body rhythms (such as internal biological clock) |
|
Definition
What is the function of the Pineal Gland? |
|
|
Term
Cerebrum Olfactory Lobes Limbic System |
|
Definition
What parts of the forebrain does the telencephalon form? |
|
|
Term
Sensory and motor integration; Complex muscle movements; Voluntary thought |
|
Definition
What is the function of the cerebrum? |
|
|
Term
This is where the one sense that doesn't go to the thalamus, olfaction, is interpreted. |
|
Definition
What is the function of the olfactory bulb? |
|
|
Term
Controls emotional behavior |
|
Definition
What is the function of the limbic system? |
|
|
Term
|
Definition
How many cranial nerves are there (in Reptiles, Aves, and Mammals)? |
|
|
Term
I: Olfactory Nerve II: Optic Nerve X: Vagus Nerve |
|
Definition
What are the three important cranial nerves we discussed? |
|
|
Term
|
Definition
What is the function of the Vagus Nerve? |
|
|
Term
Dilated pupils Increased heart rate |
|
Definition
What are two ways you can tell the sympathetic NS is in control? |
|
|
Term
Local Chemical Messengers Neurotransmitters Neuropeptides Hormones Pheromones |
|
Definition
What are the five types of chemical messengers? |
|
|
Term
|
Definition
Term: Chemical used in chemical (NOT electrical) synapses; passed by exocytosis into cleft from vesicles. |
|
|
Term
|
Definition
Term: Hybrid of neurotransmitter and local chemical messenger. |
|
|
Term
|
Definition
Term: Chemical made in an endocrine gland; travels through blood to reach target cells. |
|
|
Term
|
Definition
Term: Chemical secreted to the exterior to affect behavior of an individual of the same species. |
|
|
Term
|
Definition
What is the function of the hormone Thyroxine? |
|
|
Term
Hormonal negative feedback |
|
Definition
Term: Effect determined by hormone. |
|
|
Term
Anterior Lobe Posterior Lobe |
|
Definition
What are the two parts of the pituitary gland? |
|
|
Term
Synthesized: Hypothalamus
Stored: Posterior Lobe of Pituitary gland |
|
Definition
Where are Oxytocin and ADH made and stored? |
|
|
Term
Oxytocin Anti-Diuretic Hormone (ADH) |
|
Definition
What hormones are stored in the posterior lobe of the pituitary gland? |
|
|
Term
1. Causes uterine smooth muscle contraction during childbirth 2. Milk let down (Travels to nipples) |
|
Definition
What is the function of the hormone Oxytocin? |
|
|
Term
|
Definition
|
|
Term
Increases water reabsorption in kidney (affects collecting duct most) |
|
Definition
What is the function of the hormone ADH? |
|
|
Term
|
Definition
What hormones are synthesized and stored in the anterior lobe of the pituitary gland? |
|
|
Term
Thyroid Stimulating Hormone |
|
Definition
|
|
Term
Adrenal Cortical Tropic Hormone |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Causes another endocrine gland to release a different hormone. |
|
Definition
What is a tropic hormone? |
|
|
Term
Stimulates Thyroid gland to release Thyroxin. |
|
Definition
What is the function of TSH? |
|
|
Term
Stimulates adrenal gland to synthesize cortisol. |
|
Definition
What is the function of ACTH? |
|
|
Term
|
Definition
Term: Stress hormone produced by adrenal gland |
|
|
Term
Stimulates bone and muscle growth |
|
Definition
What is the function of GH? |
|
|
Term
Stimulates milk production |
|
Definition
What is the function of Prolactin (PRL)? |
|
|
Term
|
Definition
What two important hormones are secreted by the thyroid gland? |
|
|
Term
Stimulates digestion of Calcium into bone (opposite of PTH) |
|
Definition
What is the function of Calcitonin? |
|
|
Term
Parathormone (Parathyroid hormone; PTH) |
|
Definition
What hormone is secreted from the Parathyroid gland? |
|
|
Term
Regulates Calcium and Phosphorus ion concentration in blood; causes bone to release calcium when blood calcium concentration is low and increases reabsorption of calcium from kidney (opposite of Calcitonin) |
|
Definition
What is the function of Parathormone? |
|
|
Term
Cortisol Aldosterone Estrogen/Testosterone |
|
Definition
What hormones are secreted by the adrenal cortex? |
|
|
Term
Increases glucose in blood; Stress hormone |
|
Definition
What is the function of Cortisol? |
|
|
Term
Increases sodium uptake in kidneys |
|
Definition
What is the function of Aldosterone? |
|
|
Term
Epinephrine Norepinephrine |
|
Definition
What hormones are secreted by the adrenal medulla? |
|
|
Term
Adrenal Cortex Adrenal Medulla |
|
Definition
What are the two parts of the Adrenal gland? |
|
|
Term
Increases heart rate and metabolism; also responsible for fight or flight response like the Autonomic NS. |
|
Definition
What is the function of Epinephrine? |
|
|
Term
Increases heart rate and metabolism |
|
Definition
What is the function of Norepinephrine? |
|
|
Term
|
Definition
What two hormones does the pancreas secrete? |
|
|
Term
Alpha Cells of Islets of Langerhans; Beta Cells of Islets of Langerhans |
|
Definition
What cells in the pancreas secrete Glucagon? Which cells secrete Insulin? |
|
|
Term
|
Definition
Which hormone is dominant after eating? Which is dominant after fasting? |
|
|
Term
Increase glucose in blood |
|
Definition
What is the function of Glucagon? |
|
|
Term
Increase glucose in tissues/cells |
|
Definition
What is the function of Insulin? |
|
|
Term
|
Definition
What hormone do the testes secrete? |
|
|
Term
Responsible for growth/maintenance of male genitalia, sexual behavior, and secondary sexual characteristics |
|
Definition
What is the function of testosterone? |
|
|
Term
Relaxin Estrogins Progestins Inhibin hCG |
|
Definition
What hormones do the ovaries secrete? |
|
|
Term
Human Corionic Gonadotrophin |
|
Definition
|
|
Term
|
Definition
What is the function of Relaxin? |
|
|
Term
Regulate menstrual cycle and secondary sex characteristics |
|
Definition
What is the function of Estrogins? |
|
|
Term
Regulate menstrual cycle and placenta development in pregnancy |
|
Definition
What is the function of Progestins? |
|
|
Term
|
Definition
Which hormone is obtained from ANY birth control? |
|
|
Term
Inhibits secretion of FSH |
|
Definition
What is the function of Inhibin? |
|
|
Term
Aids sperm maturation; Testosterone production |
|
Definition
What is the function of FSH in men? |
|
|
Term
Stimulates testosterone secretion |
|
Definition
What is the function of LH in men? |
|
|
Term
Follicle Stimulating Hormone |
|
Definition
|
|
Term
|
Definition
|
|
Term
Causes corpus luteum to persist in pregnancy; used in pregnancy tests |
|
Definition
What is the function of hCG? |
|
|
Term
Trophoblast cells of the uterus |
|
Definition
|
|
Term
|
Definition
External fertilization mostly takes place in ____ animals, while internal fertilization take place in ___ animals. |
|
|
Term
Offspring more hardy; Vigorous offspring |
|
Definition
Name an advantage to sexual reproduction. |
|
|
Term
Energy spent finding mate; Energy spent in courtship; Unfertilized eggs = energy wasted |
|
Definition
Name a disadvantage to sexual reproduction. |
|
|
Term
Fission Budding Fragmentation Parthenogenesis |
|
Definition
Name the different types of asexual reproduction we studied. |
|
|
Term
External fertilization Internal fertilization Hermaphroditic Protandry |
|
Definition
Name the different types of sexual reproduction we studied. |
|
|
Term
|
Definition
What structure within the testes produces sperm? |
|
|
Term
In the epididymis (and vas deferens, if epididymis becomes full) |
|
Definition
|
|
Term
Seminal Vesicles Prostate Gland Bulbouretheral Gland |
|
Definition
What are the three accessory glands? |
|
|
Term
Energy source for sperm and a buffer to neutralize vaginal acidity. |
|
Definition
What is the function of the fluid that seminal vesicles secrete? |
|
|
Term
|
Definition
What is the function of the fluid secreted by the Prostate? |
|
|
Term
Slippery lubricant for penetration in sexual intercourse. |
|
Definition
What is the function of the fluid secreted by the bulbouretheral glands? |
|
|
Term
Gonadotropin-releasing Hormone |
|
Definition
|
|
Term
|
Definition
What is the function of GnRH? |
|
|
Term
|
Definition
Where is GnRH synthesized? |
|
|
Term
Sustentacular cells in the testes [Sertoli cells] |
|
Definition
Where is inhibin in males synthesized? |
|
|
Term
|
Definition
Where is testosterone synthesized? |
|
|
Term
|
Definition
|
|
Term
|
Definition
Give an example of an androgen. |
|
|
Term
Upper 1/3 of uterine tubes |
|
Definition
Where does fertilization occur in the human? |
|
|
Term
|
Definition
Term: Process where, once fertilization occurs, the blastocyst attaches to the uterus. |
|
|
Term
Serves as birth canal; Receives sperm; Responsible for shedding endometrium during period |
|
Definition
What are the functions of the vagina? |
|
|
Term
|
Definition
What glands produce milk? |
|
|
Term
|
Definition
What are the three major things ovaries produce? |
|
|
Term
Primordial Follicle -> Primary Follicle -> Secondary Follicle -> Graafian/Tertiary Follicle -> Corpus Luteum |
|
Definition
What are the stages in the life of a follicle? |
|
|
Term
|
Definition
Which follicle is swept by fimbriae of the ovary into the uterine tube to prepare for fertilization? |
|
|
Term
Beating cilia and peristalsis contractions of the tube |
|
Definition
How does the secondary oocyte move down the uterine tube? |
|
|
Term
The secondary oocyte and endometrium degenerate. |
|
Definition
What happens if the oocyte is not fertilized? |
|
|
Term
Smooth Muscle Elastic Tissue Skeletal Muscle |
|
Definition
What type of tissues does the vagina have? |
|
|
Term
|
Definition
Term: Modified sweat glands that produce milk. |
|
|
Term
FALSE All women have about the same amount of mammary tissue - it's adipose tissue that makes the difference. |
|
Definition
True/False: The amount of mammary tissue determines the size of the breast. |
|
|
Term
|
Definition
True/False: A female is only fertile a few days a month. |
|
|
Term
Stimulates thickening of uterine wall, maturation of oocyte and development of female secondary sex characteristics; inhibits FSH secretion; Increases LH secretion |
|
Definition
What is the function of estrogen? |
|
|
Term
|
Definition
1 day before ovulation, what hormones are there peaks of? |
|
|
Term
Drop in progesterone levels. |
|
Definition
Menstruation is due to what? |
|
|
Term
|
Definition
Term: Beginning of periods in life. |
|
|
Term
|
Definition
Term: End of period in woman's life. |
|
|
Term
Ovaries lose sensitivity to FSH and LH |
|
Definition
Why does menopause occur? |
|
|
Term
Follicular Phase Ovarian Phase Luteal Phase |
|
Definition
What are the three phases of the menstrual cycle? |
|
|
Term
Follicle matures in the ovary, menstruation (endometrium breaks down), endometrium rebuilds |
|
Definition
What occurs in the Follicular phase of menstruation? |
|
|
Term
Ovary releases secondary oocyte |
|
Definition
What occurs in the Ovulation phase of menstruation? |
|
|
Term
Corpus luteum forms; endometrium thickens and becomes glandular |
|
Definition
What occurs during the Luteal phase of menstruation? |
|
|
Term
|
Definition
Term: Control center of reproductive parts in women. |
|
|
Term
A high estrogen concentration stimulates the pituitary gland to secrete LH which causes the follicle to grow fast and burst (ovulation) |
|
Definition
What happens on Day 13 of the human ovarian cycle? |
|
|
Term
For endometrium growth and maintenance for 10-14 days after ovulation. |
|
Definition
Why does the Corpus luteum secrete progesterone and estrogen? |
|
|
Term
It degenerates and progesterone/estrogen production ends. Without Pro/Est, the endometrium degenerates. |
|
Definition
What happens to the corpus luteum if there is no fertilization? |
|
|
Term
Endometrium Cells Mucus Blood |
|
Definition
What does the menstrual flow consist of? |
|
|
Term
|
Definition
The cells of the embryo and placenta form what hormone that causes the corpus luteum to remain? |
|
|
Term
The corpus luteum dies because the placenta begins to produce progesterone over time. |
|
Definition
During pregnancy, what happens to the progesterone production? |
|
|
Term
|
Definition
What hormone has a high concentration in the blood two weeks after pregnancy? |
|
|
Term
|
Definition
Term: Organ that provides gases, food, and wastes to unborn offspring. |
|
|
Term
|
Definition
Term: Fingerlike projections from the blastocyst that contain embryonic blood vessels. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Term: Change of population over time. |
|
|
Term
|
Definition
Term: Individuals of same species in ecosystem at same time. |
|
|
Term
Passing acquired characteristics onto offspring. |
|
Definition
What false idea did Lamarck believe about genetics? |
|
|
Term
1. All organisms have greater reproductive potential than ever realized in nature. 2. Inherited variations arise from mutations, genetic recombination, and random fertilization. 3. Resources limited, struggle to survive, less adapted die. 4. Adaptive traits increase fitness passed to offspring, nonadaptations seem to be lost. |
|
Definition
What are the 4 parts of the Theory of Evolution by Natural Selection? |
|
|
Term
|
Definition
Term: Characteristic that increases an organism's potential to survive and reproduce in a given environment; heritable change in phenotype that increases organism's ability to survive/reproduce. |
|
|
Term
|
Definition
Term: Change in allele frequencies in population over time. |
|
|
Term
|
Definition
Term: Large scale change, results in extinction and formation of new species over geological time scales. |
|
|
Term
Bio-geography Paleontology Comparative Anatomy Molecular and Developmental Biology |
|
Definition
Evidence of macroevolution can be found in what fields of study? |
|
|
Term
|
Definition
Term: A large natural occurring community of organisms and plants occupying a major habitat. |
|
|
Term
Tundra Boreal Forest (Taiga) Temperate Deciduous Forest Temperate Grasslands Hot Deserts Cold Deserts Chapparal Thorn Forests/Tropic Savannah Tropic Deciduous Forest Tropical Evergreen Forest |
|
Definition
What are the ten major terrestrial biomes? |
|
|
Term
|
Definition
Biome: High north and south latitudes/elevation, no trees, permafrost, summers cool and short, long winters. |
|
|
Term
|
Definition
Biome: Lower latitudes/elevation than tundra, evergreens dominate. |
|
|
Term
Temperate Deciduous Forest |
|
Definition
Biome: Deciduous trees and shrubs dominate. |
|
|
Term
|
Definition
Biome: Prairies, less precipitation than Temperate Deciduous Forest, Boreal Forest, and Tundra. |
|
|
Term
|
Definition
Biome: Form at about 30 degrees latitudes, least precipitation, hot/warm all year, animals active at night, dominant plants are succulents |
|
|
Term
|
Definition
Biome: Dry, mid/high latitudes, second driest biome. |
|
|
Term
|
Definition
Biome: Hot, dry summers; wet, cool winters; western continents; mid-latitudes |
|
|
Term
Thorn Forest/Tropic Savannah |
|
Definition
Biome: Low rain in winter, heavier rain in summer, found at lower latitudes than hot deserts |
|
|
Term
Tropical Deciduous Forest |
|
Definition
Biome: Hot lowlands, high precipitation, tall trees, few succulents |
|
|
Term
Tropical Evergreen Forest |
|
Definition
Biome: Rich in species, very high (highest) amount of precipitation, warm and rainy all year, lush vegetation, highest diversity, most nutrients in vegetation, not soil. |
|
|
Term
|
Definition
Term: Slash and burn agriculture, large environmental problem. |
|
|
Term
|
Definition
What are the two life regions of the ocean? |
|
|
Term
|
Definition
Term: Life region of the ocean where there is enough light for photosynthesis. |
|
|
Term
|
Definition
Term: Life region of the ocean where there isn't enough light for photosynthesis. |
|
|
Term
|
Definition
Term: Region of ocean from shore to edge of continental shelf. |
|
|
Term
|
Definition
Term: Region of ocean from offshore to the coastal zone; deep |
|
|
Term
Intertidal zone Continental Shelf Benthic Zone |
|
Definition
What are the three regions of the sea floor? |
|
|
Term
|
Definition
Term: Region of sea floor that's shallow, has high D.O. concentration, rich diversity (octopus, sea grasses, kelp forests, etc.) |
|
|
Term
|
Definition
Term: Region of ocean floor from the continental slope to the abyssal plain. |
|
|
Term
Less than one percent of the original sunlight. |
|
Definition
How much sunlight makes it to the aphotic zone? |
|
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Term
They eat decaying organic matter "snow" sinking from above. |
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Definition
What do organisms in the aphotic zone do for food? |
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Term
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Definition
True/False: Coral Reefs have very high diversity. |
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Term
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Definition
Term: Coral reefs dying due to climate change or other factors; coral turns white. |
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Term
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Definition
Term: Freshwater Ecosystems |
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Term
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Definition
Term: Zone near shore of lakes with high diversity |
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Term
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Definition
Term: Zone offshore of lakes where the phytoplankton, zooplankton, and nekton reside. |
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Term
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Definition
Term: In lakes, this is the base of the food web. |
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Term
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Definition
Term: In lakes, these are the intermediate part of the food web. |
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Term
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Definition
Term: Large, swimming organisms in water. Ex) Fish |
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Term
Plankton needs a slow/non-moving water source to reside. |
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Definition
Why do rivers and streams lack plankton, but are high in benthos? |
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Term
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Definition
Term: Water that has characteristics of both freshwater and marine environments. |
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Term
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Definition
Term: Interactions between organisms and their abiotic environment. |
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Term
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Definition
Term: Study of animal behavior from an evolutionary perspective. |
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Term
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Definition
Term: Mechanisms that underlie behind neurons, hormones, anatomy. |
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Term
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Definition
Term: Causes of behavior, selection pressures that shaped its evolution |
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Term
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Definition
Term: Unlearned, species specific, always same, inherited. |
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Term
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Definition
Give an example of a stereotypic behavior. |
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Term
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Definition
Term: Study of how organisms respond to changes in environment, the select resources they need, response to predators and competitors, and with individuals of same species. |
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Term
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Definition
Term: Profession of animal in its habitat, how it survives, and where it lives. |
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Term
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Definition
Term: Environment/location in which organism lives. |
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Term
Presence of settled individuals of the same species. |
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Definition
How do some animals tell if a habitat is a good place to settle or not? |
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Term
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Definition
Term: Area in which an individual excludes others by advertising that it owns the area and chases away others. |
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Term
Question: Is the cost (time, energy, etc.) outweighed by the benefit (food found, mate earned, etc.)? |
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Definition
Describe the Cost-Benefit Appoach. |
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Term
Energetic Cost Risk Cost Opportunity Cost |
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Definition
What are the three costs of the total cost of the behavior? |
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Term
Energy of performed behavior - Energy expended at rest. |
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Definition
Describe the Energetic Cost. |
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Term
Increased chance of injury/death as a result of behavior/rest needed. |
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Definition
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Term
Sum of benefits animal forfeits by not doing other behaviors during period of time. |
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Definition
Describe Opportunity Cost. |
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Term
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Definition
Term: Theory that predicts how animals select among foods available in an environment. |
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Term
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Definition
Term: Assumes natural selection molds animal behavior so they make the best choices. |
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Term
1. Time taken to capture/eat prey 2. Amount of energy prey contains |
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Definition
Cost of prey is determined by what two factors? |
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Term
Most energy unit/time used |
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Definition
The most valuable prey yields...? |
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Term
It may serve as protection |
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Definition
Why is living in a group as an animal so important? |
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Term
A family (parents + offspring) |
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Definition
What is the origin of most animal societies? |
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Term
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Definition
Term: Animal sacrifices self for the good of its society. |
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Term
To improve the fitness of the society as a whole. |
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Definition
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Term
Close kin, rather than distant relatives. |
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Definition
Who is an animal more likely to perform altruism for? |
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Term
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Definition
Term: Species with social groups with sterile individuals. |
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Term
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Definition
Give an example of a eusocial colony. |
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Term
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Definition
In eusocial species, fertilized eggs become the __ and unfertilized eggs become the __. |
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Term
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Definition
What is the degree of relatedness between haplodiploidy sisters? |
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Term
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Definition
Term: Individuals of a species in same ecosystem. |
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Term
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Definition
Term: Number of individuals per unit area of volume |
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Term
When individuals survive well and when they don't. |
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Definition
What do survivorship curves show? |
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Term
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Definition
Term: All individuals born in a time period. |
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Term
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Definition
True/False: Species with small individuals have higher population densities. |
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Term
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Definition
True/False: Exotic species usually do not reach huge population densities. |
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Term
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Definition
When does the lag phase occur in logistic population growth? |
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Term
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Definition
What is the log phase of logistic population growth? |
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Term
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Definition
What happens at K in the logistic population growth? |
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Term
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Definition
Term: Number of individuals in a population that environment can support. |
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Term
Environmental factors (food, dissolved oxygen, predators, disease, limited space, etc.) |
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Definition
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Term
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Definition
What happens to population growth rates as K is approached? |
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Term
r-strategists K-strategists |
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Definition
What are the two life strategists? |
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Term
Instantaneous rate of population increase, no parental care, more offspring, most only reproduce once, short lifespan. |
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Definition
What is the strategy of an r-strategist? |
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Term
More parental care, live longer, reproduce more than once. |
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Definition
What is the strategy of a K-strategist? |
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Term
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Definition
Give an example of an r-strategist. |
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Term
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Definition
Give an example of a K-strategist. |
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Term
Food Disease Water Predators |
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Definition
What factors are density-dependent? |
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Term
Hurricanes Cold snaps Weather |
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Definition
What factors are density-independent? |
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Term
Populations may exist as small groups called subpopulations, which become extinct often. |
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Definition
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Term
Better sanitation Better medicine increasing birth rates and decreasing death rates. |
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Definition
Why has the human population reached almost exponential growth? |
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Term
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Definition
Term: Country transitioning from high birth and death rates to low birth and death rates. |
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Term
Decreased population due to severe drought in wintering grounds in West Africa. |
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Definition
What happened to the Green Warbler? |
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Term
Population increased by changes in Eastern Wood: timber harvest ending made more nesting sites. |
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Definition
What happened to the Blue Tit? |
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Term
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Definition
What are the two forms the body uses to communicate? |
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Term
Neurons are electrical signals and faster than hormones; Hormones are chemical signals that are slower but have a longerresponse |
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Definition
Describe the difference between neurons and hormones. |
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Term
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Definition
Term: System functioning in communication, integrating and coordinating functions of organs and organ systems. |
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Term
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Definition
Term: Cells of the nervous system. |
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Term
Sensory Neuron Interneuron Motor neuron |
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Definition
What are the three types of neurons? |
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Term
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Definition
Term: Neuron that brings information from a receptor to the CNS. |
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