A) allopatric speciation
B) adaptive radiation
C) sympatric speciation
D) both allopatric speciation and adaptive radiation
E) both sympatric speciation and adaptive radiation
G) B) and E)
Correct Answer
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Correct Answer
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A) the forelimb of a bat and the forelimb of a horse
B) the wings of a fly and the wings of a sparrow
C) the pelvis of a human and the pelvis of a whale
D) the flipper of a dolphin and the arm of a human
E) the wings of a bird and the forelimbs of a reptile
G) A) and E)
Correct Answer
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Correct Answer
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A) the resulting species are reproductively isolated or not.
B) gene flow continues to occur or not.
C) two or three species result.
D) geographic isolation is required or not.
E) the new species are separated by a prezygotic or postzygotic isolating mechanism.
G) C) and D)
Correct Answer
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Correct Answer
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A) two populations of salamanders that live on isolated islands and eventually become separate species, unable to interbreed
B) different breeds of dogs that live in different areas of the world but are able to produce fertile offspring
C) a horse and a donkey that may interbreed to produce a mule that is sterile and unable to reproduce
D) two related plant species living in the same area that hybridize, then undergo chromosome doubling, which results in the creation of a third species of plant that is unable to reproduce with either of the two original species
E) three species that evolve from a common ancestral species due to reproductive isolation and adaptation to different habitats
G) A) and B)
Correct Answer
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Correct Answer
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