If reproductive isolation were always a binary function (i.e. ,if populations always exhibited either no reproductive isolation or complete reproductive isolation),which of the following could not exist?
A) Allopatric speciation
B) Behavioral isolation
C) Reinforcement
D) Temporal isolation
E) Allopolyploidy

Question

Quizplus · Accepted Answer

Reinforcement is a process that strengthens reproductive barriers between populations. If reproductive isolation were binary, there would be no intermediate stages for reinforcement to act upon, thus it could not exist.

If Reproductive Isolation Were Always a Binary Function (I