Biology, 24.07.2019 16:10 JamesLachoneus
Imagine that part of a population of flies is blown from the california coast to an offshore island. the island flies have no contact with the mainland flies for 10,000 years. then an earthquake rearranges the landscape and the island is rejoined to the mainland. the former island flies can now mingle freely with the mainland flies. if attempts at mating between flies from the two groups are successful and the resulting baby flies grow up strong and healthy and have offspring of their own, you could conclude that
a. over the past 10,000 years, a single species had split into two speciesb. over the past 10,000 years, effective isolating mechanisms had evolvedc. over the past 10,000 years, no speciation occurred in these fliesd. there is insufficient information available to determine how many species of flies are now presente. flies will mate no matter what
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Imagine that part of a population of flies is blown from the california coast to an offshore island....
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