r27. Evolution A) must happen, due to organisms\' innate desire to survive B) mu
ID: 272582 • Letter: R
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r27. Evolution A) must happen, due to organisms' innate desire to survive B) must happen whenever a population is not well-adapted to its environment. C) can happen whenever any of the conditions for Hardy-Weinberg equilibrium are not met D) requires the operation of natural selection. E) requires that populations become better suited to their environments. 3 28. Over time, the movement of people on Earth has increased. This has altered the course of human evolution by increasing A) nonrandom mating. B) genetic drift. C) geographic isolation. D) gene flow. 29. If the original finches that had been blown over to the Galápagos from South America had already been adapting to the Galápagos, this would have been an example of A) genetic drift. B) founder effect. genetically different from the parental population of South American finches, even before C) bottleneck effect D) A, B, and C are all true. E) Both A and B, but not C are true. 30. Sexual dimorphism is most often a result of A) pansexual selection. B) intrasexual selection. C) stabilizing selection. D) intersexual selection. E) artificial selection. 31. Which of the following is most likely to produce an African butterfly species in the wild whose members have one of two strikingly different color patterns? A) artificial selection B) directional selection E) sexual selection C) stabilizing selection D) disruptive selection 32.There are those who claim that the theory of evolution cannot be true because the apes, which are supposed to be closely related to humans, do not likewise share the same large brains, capacity for complicated speech, and tool-making capability. They reason that if these features are generally beneficial, then the apes should have evolved them as well. Which of these provides the best argument against this misconception? A) Advantageous alleles do not arise on demand. B) Evolution can be influenced by environmental change. C) A population's evolution is limited by historical constraints. D) Adaptations are often compromises. 33.A proficient engineer can easily design skeletal structures that are more functional than those currently found in the forelimbs of such diverse mammals as horses, whales, and bats. The actual forelimbs of these mammals do not seem to be optimally arranged because A) natural selection has not had sufficient time to create the optimal design in each case, but will if enough time. natural selection is limited to modifying structures that were present in previous generations and B) in previous species. in many cases, phenotype is not merely determined by genotype, but by environment as wel. D) though we may not consider the fit between current skeletal arrangements and their functions excellent, we should not doubt that natural selection ultimately produces the best design.Explanation / Answer
Evolution (C) can happen whenever any of the conditions for hardy-weinberg equilibrium are not met.
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