Bio U06 USA FY21
Question: 1.11
Originally, two species of finches lived in the Maldives. One...
Bio U06 USA FY21
Question: 1.11
Originally, two species of finches lived in the Maldives. One species had long, narrow books for capturing insects from within troes. The other species had larger thicker books for cracking soods. Following an increase in
logging, this ecosystem's population of finches with narrow books began to decline
How does this event support the theory of evolution?
It supports the idea of a common ancestor
Oltillustrates the principle of natural selection
It provides an example of behavioral isolation
It demonstrates analogous structures and evolution
Answers: 3
Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
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