Vestigial structures are: a. structures that occur in fossils but not living ani

Question

Vestigial structures are: a. structures that occur in fossils but not living animals. b. structures that are essential for successful reproduction c. structures that were important in the past but appear to have no current function d. structures that appear with the onset of puberty A biological species: a. always looks different from other species. b. always has a different chromosome number from that of other species. c. is reproductively isolated from other species. d. never occupies the same niche as other species. The offspring of better-adapted individuals are expected to make up a larger proportion of the next generation. The most likely explanation is: a. nonrandom mating. b. gene flow. c. natural selection. d. genetic drift.

Explanation / Answer

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Answer for question 30.vestigial structures are.. is option (c) structures that were aperaed in past but have no current function.

Answer for question 31 .A biological species....is option (c)...is reproductively isolatted from other species.

Answer for question 32. the offsprinf of better adapted are expected to make up a larger proportion of the next generations. the most likely explation is....is option (c) .natural selection.

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