Biology homework help (evolution again)

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1.      As a result of human activity (such as logging), large forests are becoming fragmented into several smaller forests.

a)      How might the increasing isolation of population in these forests influence their evolution?

b)      How might the fragmentation affect the evolution of a large mammal, like a moose, compared to a small invertebrate, like a worm?

May 28th, 2015

Evolution takes place when there are changes in the frequencies of alleles within a population of interbreeding organisms; for instance, the allele for black color in a population of moths becoming more widespread. Thus, if the resources of a forest are breaking up, and a group of a species of plant or animal is naturally selected by the environment, and those surviving species interbreed and evolution would influence that way. 

Small horned moose might naturally selected over small horned moose. A worm that survives in warm soil might naturally selected over a worm that survives in cold soil.


May 28th, 2015

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