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6 Cards in this Set
- Front
- Back
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Biological species concept
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groups of actually or potentially interbreeding pops. which are reproductivley isolated from other such groups
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phylogenetic species concept
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emphasizes not present properties of organisms or their hypothetical future, but rather their phylogenitic history
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morphospecies concept
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used by paleeontolgists. widely applicabe can become aribitrary and idiosyncratic
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mechanisms of divergence
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genetic drift and selection
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allopatric model
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most common in nature. species evolve from coming seperate from one another. geographic isolation produces genetic isolation and thus reproductive isolation.
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vicariance
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seperation of species by major land disconnections like tasmania.
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