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aleksley [76]
3 years ago
13

What is one of the main causes of speciation?

Biology
1 answer:
belka [17]3 years ago
5 0
I'm pretty sure it's <span>both. Allopatric speciation occurs when there is a physical barrier formed like a mountain or river. and Sympatric speciation occurs when there is a genetic barrier formed like a mutation that causes a different mating season or preference in mate choice. 

hope this helps!</span>
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