Term
| causes of extinction (on a large scale) |
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Definition
| a range of environmental factors, not just from the inability of a species to compete by natural selection |
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Term
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Definition
| members become separated by canyons, water, etc., and eventually become so different that they can't reproduce |
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Term
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Definition
| one common ancestor evolves into many different species |
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Term
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Definition
species that are not related respond to similar needs, and therefore end up with similar structures
ex. sharks and dolphins |
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Term
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Definition
structures that share a function but not ancestors by convergent evolution
ex. wings of pterosaurs, bats, and birds |
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Term
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Definition
change in one species due to change in another species
ex. symbiotic relationships |
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