With the biological species concept, the process of speciation is frequently defined as the evolution of ____ between

populations.



a. genetic drift
b. gene flow
c. reproductive isolation
d. geographic separation
e. reproductive inclusion


ANSWER: c

Biology & Microbiology

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Which of the following organelles contains protein-digesting enzymes that break down proteins to amino acids? 

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The enzymes of animals in old vents should be more flexible than those of animals in young vents.

a. true b. false

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