Why Is It Likely That MOST Speciation Is Allopatric

question 98

Multiple Choice

Why is it likely that MOST speciation is allopatric?

• A)Because gene flow between diverging populations is strong in allopatry.
• B)Because gene flow between populations prevents genetic divergence in sympatry.
• C)Because related species are always found in allopatry rather than in sympatry.
• D)Because vicariance events are common.
• E)Because disruptive selection between forms of traits in sympatric populations is always very strong.

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