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7 Cards in this Set
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- Back
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What does the field of ecology study?
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The interactions between species and within each species in the community.
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What is a succession?
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A gradual process in which the species composition in an area can change, and one community gives way to another. (A grassy meadow can become overgrown with trees and become a forest community.)
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What is a niche?
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The role that an organism plays in a community.
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What does the competitive exclusion principle state about the niche?
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That no two species of organisms can occupy the same niche in the same place and time.
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What is the difference between intraspecific competition and interspecific compeition?
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Intraspecific competition occurs between individuals of the same species, and interspecific competition occurs between species.
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What is the difference between Batesian mimicry and Mullerian mimicry?
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Batesian mimicry is when a harmless species resembles a dangerous species. A Mullerian mimicry is when two poisonous species look alike.
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What is the difference between the k-selected species and the r-selected species?
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The k-selected species produce few offspring, invest heavily in parental care, and thus have offspring with a good chance of surviving to reproductive age. R-selected species has a large number of offspring and provides little parental investment, with the result that only a few offspring survive to reproduce.
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