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BIO203 Exam 1
exam 1 ecology
53
Biology
Undergraduate 1
09/21/2016

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Term
Ecology
Definition
Relationships of organisms to one another and with their environment
Term
Abiotic Factors
Definition
Temperature, light intensity, rainfall, precipitation, nutrients, minerals
Term
Levels of Organization in order (smallest to largest)
Definition
Individuals, Population, Community, Ecosystem, Biomes, Biosphere
Term
population
Definition
group of a single species inhabiting a defined area
Term
Community
Definition
association of interacting species; groups of populations
Term
Ecosystem
Definition
a biological community including all the abiotic factors that influence the community
Term
Biomes
Definition
groups of ecosystems associated through climate and vegetation patterns
Term
Biosphere
Definition
The entire Planet; total global ecosystem
Term
organismal ecology
Definition
largely focus on physiological or anatomical adaptations of individuals
Term
Population Ecology
Definition
determine the factors that determine population change
Term
Community ecology
Definition
study factors dealing with multispecies interactions
Term
Ecosystem Ecology
Definition
concerned with rainfall, humidity, and temperatures
Term
primary productivity
Definition
the amount of light energy converted to chemical energy by autotrophs during a given period
Term
climatograph
Definition
measures temperature and precipitations trends, and dry and wet periods
Term
Tundra =
Definition
Water Desert
Term
Boreal Forest
Definition
Evergreen not Deciduous trees; Canada forests
Term
Temperate Deciduous Forest
Definition
Oxford, The Bluffs (mixture of coniferous and Deciduous)*Highly Productive*
Term
Photic zone
Definition
where photosynthetic organisms do their work
Term
Pelagic zone
Definition
Animals in water column
Term
Benthic
Definition
organisms on very bottom; detritivores
Term
How much of the worlds productivity comes from oceans
Definition
50%
Term
Order of layers of thermal stratification in water?
Definition
Epilimnion, thermocline, and the hypolimnion
Term
monomictic mixing
Definition
mixing of the water from top to bottom once a year
Term
dimictic
Definition
mixing of the water from top to bottom twice a year
Term
allochthonous
Definition
energy comes from outside of area
Term
autochthonous
Definition
energy comes from the area
Term
Tectonics
Definition
Ancient Lakes
Term
Caldera
Definition
Formed by collapsed volcanoes
Term
Glaciers
Definition
How great lakes formed
Term
Olligotrophic
Definition
cooler, high oxygen, low production
Term
Eutrophic
Definition
Warmer, low oxygen, high production
Term
Experimental Lakes Area Lake 226
Definition
has one side treated with C and N, and one side treated with C and P.
Term
Acclimation
Definition
Short term channge
Term
Adaption
Definition
genetic change
Term
Isozymes
Definition
A trait where an animal can switch between different enzymes depending on the temperature
Term
Conduction
Definition
self made energy
Term
Convection
Definition
speed of airflow over a surface radiation
Term
Radiation
Definition
emission of heat waves
Term
Heat of Organism =
Definition
+/- Heat of radiation +/- Heat of conduction +/- Heat of convection - Evaporation + Metabolism
Term
Transpirational Water Loss
Definition
Number of stomata and how long they are open dictates this process
Term
Pubescence
Definition
controls the reflection of radiation
Term
Deciduous
Definition
plants get rid of leaves in winter
Term
Xerophytes
Definition
adapted to arid environments
Term
Hydrophytes
Definition
plants adapted to wet environments
Term
Pneumatophores
Definition
reduction of gas exchange in wet soils
Term
stenohaline
Definition
can only live in a small range of saltiness
Term
euryhaline
Definition
can change osmoregulation to live in different salt conditions
Term
Plant Tissues have less of what elements in body?
Definition
Nitrogen and Phosphorus
Term
Invertebrates have more of what elements in body?
Definition
Nitrogen and Phosphorus
Term
Vertebrates have more of what element in body?
Definition
Phosphorus
Term
Principle of Allocation
Definition
Organisms must divide energy between different tasks to survive and reproduce
Term
Optimal Foraging Theory
Definition
Must equalize time spent for food with the amount of calories gained from the food found
Term
When would an animal not forage optimally
Definition
Attack strategies, influence of predation risk, or avoidance of toxins in prey
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