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Much like Santa Claus, some people do not believe in sympatric speciation. What

colleen

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Much like Santa Claus, some people do not believe in sympatric speciation. What

Much like Santa Claus, some people do not believe in sympatric speciation. What ecological conditions would make sympatric speciation more likely to occur? What evidence could an ecologist collect that would support, or refute, a claim that a particular species is the result of sympatric speciation?

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barry

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12 years ago

Sympatric speciation requires disruptive selection and assortative mating. Two or more phenotypes must have high fitness (disruptive selection), and individuals must preferentially mate with others of their phenotype (assortative mating). To test for sympatric speciation, an ecologist would have to show that the test species shared its habitat with its closest evolutionary relative (sister species) at the time of it originated. It would then be necessary to demonstrate that differences in the species’ phenotypes would result in reproductive isolation. Identification of traits that could influence mate selection would be helpful in suggesting assortative mating.

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colleen Author

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12 years ago

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barry

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12 years ago

Quote from: colleen (12 years ago)

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