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12 Cards in this Set
- Front
- Back
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Species
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Interbreeeding populations of organisms that can produce healthy, fertile offspring.
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Variation
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The differences between indivisual members of a poulation.
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Adaptation
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An inherited trait the ncreases a population's chances of survival and reproduction in a particular enviorment.
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Niche
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A habitat and the role a population plays in that habitat.
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Fossils
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The preserved remains or imprints of ancient organisms.
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Evolution
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Change over time.
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Natural Selection
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Darwin's theory
There is variation within populations Some Variations are favorable Not all young produced in each generation can survive Indivisuals that survive & reproduce are those with favorable variations |
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Punctuated Equilibrium
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Populations remain genetically stable for long periods of time, interupted by brief pariods of rapid genetic change.
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Gradualism
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New species evolve as the genomes of two populations differentiate over enormous spans of time.
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Homolopous Structures
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Traits the are similar in different species share a common ancestor.
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Vestigial Structures
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Structures that are inherited, but reduced in size and often unused.
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Analogous Structures
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Structures that are similar in function, but are not inherited from a common ancestor.
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