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13 Cards in this Set
- Front
- Back
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a process of change in a population over a period of time
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evolution
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darwin was unable to explain completly his theory of evolution because he lack the knowledge of:
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DNA
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what can be learned from fossil record?
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-extinctions/ mass extinctions
-production of new species -evolutionary trends -intermediate form |
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what is evidence of common ancestry?
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-vestigial structures
-homologous structures -comparative embryology -biochemical evidence |
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homologous structures are formed by
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divergent evolution
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analogous structures are formed by
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convergent evolution
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appendix. coccyx, pelvic bones in dolphins
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vestigial structures
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structures with different functions but similar underlying structures
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homologous structures
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structures with similar functions but different underly structure
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analagous structures
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early development in vertabrae is very similar (example of)
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comparitive embryology
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organisms with similar structure often have similar DNA
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comparitive biochemisty
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theory of natural selection
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-variation
-over production of organisms -competition for resources -survival of the fitest -reproduction of only those that survive |
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who incorrectly believed
use & disuse inheritance of aquired characteristics |
Lamark
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