Which statement about speciation is true?
A) It requires geographic isolation.
B) Reproductive isolation requires geographic isolation.
C) It can occur with or without geographic isolation, but the speciation with geographic isolation is more common than that without.
D) It cannot result from chromosome duplication.
E) It can occur with or without geographic isolation, but the speciation with geographic isolation is less common than that without.

Question

Quizplus · Accepted Answer

Speciation can occur with or without geographic isolation, but it is more common with geographic isolation. Reproductive isolation can also occur without geographic isolation, for example, through behavioral or genetic differences. Chromosome duplication can actually be a mechanism for speciation called polyploidy.

Which Statement About Speciation Is True