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Ecology Vocab from Textbook
Ecology study for Biology from Textbook
30
Biology
8th Grade
10/04/2010

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Term
species
Definition
a group of organisms that can interbreed and produce fertile off-spring in nature
Term
ecology
Definition
scientific study of interactions between organisms and their environments
Term
biosphere
Definition
portion of the earth that supports life; extends from high in the atmosphere to the bottom of the oceans
Term
abiotic factor
Definition
nonliving parts of an organism's environment; air currents, temperature, moisture, light, and soil are all examples
Term
biotic factor
Definition
all the living organisms that inhabit an environment
Term
population
Definition
group of organisms all of the same species, which interbreed and live in the same place at the same time
Term
community
Definition
collection of several interacting populations that inhabit a common environment
Term
ecosystem
Definition
interactions among populations in a community; the community's physical surroundings, or abiotic factors
Term
habitat
Definition
place where an organism lives out it's life
Term
niche
Definition
role or position a species has in its environment; includes all biotic and abiotic interactions as an animal meets its needs for survival and reproduction
Term
symbiosis
Definition
permanent, close association between two or more organisms of different species
Term
commensalism
Definition
symbiotic relationship in which on species benefits and the other species is neither harmed nor benefited
Term
mutualism
Definition
a symbiotic relationship in which both species benefit
Term
parisitism
Definition
symbiotic relationship in which one organism benefits at the expense of another, usually another species
Term
What two sub categories are under, "Niches?"
Definition
Autotroph and Heterotroph
Term
Law of Conservation of Energy
Definition
Energy cannot be created or destroyed
Term
What subcategory is under Autotroph?
Definition
Producer
Term
What subcategories are under Heterotroph?
Definition
Consumer and Decomposer
Term
What subcategories are under consumer?
Definition
herbivore, omnivore, carnivore, insectavore, fruitavore, hemavore, etc, etc.
Term
What is the difference between a Food Web and a Food Chain?
Definition
If one "link" in a Food Chain is broken, the ecosystem crashes
Term
What does Biodiversity and Adaptivity lead to?
Definition
A stable ecosystem
Term
What are some relations organisms have with nature?
Definition
Symbiosis, Sex, Intraspecies, Interspecies
Term
What are examples of Symbiosis?
Definition
Parasitism, Commensalism, and Mutualism
Term
What is, "sex?"
Definition
Relations between a male and female in which they mate to produce viable off-spring
Term
What is learned in intraspecies?
Definition
hunting strategies, parenting (Ex. Flock migration, Fish schools)
Term
What happens interspecies?
Definition
Predator and Prey relationships and competition
Term
What are the levels of organization?
Definition
protons, neutrons, electron > atoms > molecule compounds > amino acids > protein > organelles > organism(individual species) > [Biotic] Population > [Biotic] Community > [Biotic and Abiotic] ecosystem
Term
What are examples of Biotic features of an ecosystem?
Definition
Populations of species, niches, competition, symbiosis, community
Term
What are examples of Abiotic Factors?
Definition
Soil chemistry, pH, temperature, porosity, texture, H2O chemistry, pH, Temperature, salinity, light availability, currents of H2O or Air, seasonal extremes,and pollution
Term
Carrying capacity
Definition
Maximum number of organisms and ecosystem can carry
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