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5 votes
Speciation occurs when:

a. two populations become geographically isolated

b. enough differences accumulate between two populations that they can no longer interbreed

C. gene mutations accumulate

d. all of the above

User Tavison
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2 Answers

2 votes

Answer:

D. all of the above

Step-by-step explanation:

User Evayly
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6 votes

Answer:

I believe that it is C.

Step-by-step explanation:

please tell me if I'm wrong

User JackieWillen
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