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Microevolution is occurring when: a bird has a beak of a particular size that shrinks during a drought allele frequencies change in a population occur over generations gene flow evenly transfers alleles between populations individuals within all species vary in their phenotypic traits
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Biology, 22.06.2019 10:00, alexwlodko
Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.
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Microevolution is occurring when: a bird has a beak of a particular size that shrinks during a droug...
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