Microevolution and Speciation
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Created by:
hollymorgan on April 17, 2012
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6 terms
Terms | Definitions |
|---|---|
 evolution by nat. selection | all species over reproduce and have variation(heritable) --> may lead to increase or decrease in reproductive success "fitness" -->increase r.s |
| population | same species and same area level that evolution takes place on |
| gene pool | all the alleles in the population |
| species | naturally interbreeding that makes same species and they can produce viable offspring |
| microevolution | change in a few traits in the population and change in allele frequencies |
| macroevolution | a) speciation: development of new species b) extinction: the end of a species |
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