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5 votes
What force can drive speciation?

User Noemi
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2 Answers

6 votes
The main driving forces appear to be stochastic -- drift and/or mutation (both stochastic forces) drive the divergence between the forms, although sometimes very different selection pressures (natural selection) may be the dominant force.
User Jill Clover
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3 votes
Drift and or mutation which are also called stochastic forces
User Muneeb Ur Rehman
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