Chapter 23 biology section 23.1
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Prince140lbs Plus on August 4, 2011
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The origin of species
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11 terms
Terms | Definitions |
|---|---|
 Speciation | the formation of new species as a result of evolution |
| Species | (biology) taxonomic group whose members can interbreed |
| Sympatric | (of biological species or speciation) occurring in the same or overlapping geographical areas |
| Distinctiveness | a distinguishing trait |
| No | Can scientist distinguish all species by sight? |
| Subspecies | variations of a species that live in different geographic areas |
| Gene pool | all of the alleles in all the individuals that make up a population |
| Biological species concept | a species concept defining a species as a population or group thereof whose members potentially interbreed and produce fertile offspring |
| Ernst Mayr | coined "biological species concept" |
| No | Under normal condition different species interbreed? |
| Reproductive isolating mechanism | Any structure or function that is genetically determined and prevents interbreeding between organisms |
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