Sympatric speciation commonly occurs through _ in plants,but is more likely to occur through _ in animals.
A) habitat differentiation and sexual selection ...polyploidy
B) self- pollination ...polyploidy and other genetic mechanisms
C) polyploidy ...habitat differentiation and sexual selection
D) asexual reproduction ...chromosome duplications
Correct Answer:
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Q18: Frequently,a group of related species will each
Q19: Two species interbreed occasionally and produce vigorous,fertile
Q20: One of the finest available sequences of
Q21: Ancestral diploid wheat species had 2n =
Q22: Speciation without geographic isolation is called speciation.
A)sympatric
B)incomplete
C)diversifying
D)allopatric
Q24: Most polyploid species arise from
A)a single tetraploid
Q25: Diane Dodd raised different fruit fly populations
Q26: The emergence of a new plant species
Q27: In which of the following situations would
Q28: Which of the following statements regarding the
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