Term
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Definition
different kinds of organisms, can be hard to distinguish.
use species concepts |
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Term
| Biological species concept |
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Definition
defined by reproductive isolation= ability to interbreed
-prevents gene flow
-separate species bc offspring can't reproduce |
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Term
| morphological species concept |
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Definition
defined by body shape, size, and other structural features
- applied to extinct or asexual species |
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Term
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Definition
| accumulation of different mutations |
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Term
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Definition
mechanisms of cladeogenesis
initial barrier is geographic
ex. chipmunks superheated by canyon |
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Term
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Definition
mechanism of cladeogenesis
initial barrier is biological
ex. sexual selection in animals
visual preferences in cichlid fish |
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