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20 Cards in this Set
- Front
- Back
What are the 4 terrestrial biomes in Canada?
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Tundra, Taiga, Decidous forest, and grassland
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What are the 3 main zones in a lake?
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littoral, limnetic, profundal
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What is the carrying capacity in an ecosystem?
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The maxium number of individuals of a species that can be supported by an ecosystem.
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What is species diversity?
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The number of diffrent species in a given area?
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What is genetic divisity?
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The amount of variations in inherited traits between individuals of the same species.
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What are the 3 Forestry practices?
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Slash and Burn, Clear cutting, and Selective cutting.
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What is oligotrophic in a lake?
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Low nutrient levels.
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What is eutrophic in a lake?
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High nurtient levels.
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What does BOD stand for?
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Biological oxygen demand.
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What is watershed?
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land that drains towards a body of water.
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What are fossils?
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The remains, traces, or other direct evidence of past life.
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What are the two kinds of fossil dating?
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Relitive and absolute.
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What is extintion?
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The death of all members of a species in the wild.
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What is Biogeography?
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the study of distrbution of plants and animals throughout the world.
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What is Homologous structure?
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something similar in stucture derived through decents from a common ancestors.
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What is Analogous structure?
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similar in fuction but diffrent in anatomy.
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What is Embryology?
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The theory of recapitulation.
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What is darwin basic theory?
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Surival of the fittest.
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What is the theory of gradualism?
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The idea that speciation.
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What is the theory of punctuated equilibrium?
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The idea that species evovle rapidly, followed by a period of little or no change.
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