Which of the following statements is most true concerning speciation by polyploidy?
a. Polyploidy has been an important driver of plant diversification.
b. Polyploidy only leads to speciation in plants.
c. Botanists believe only a few plant species have arisen through polyploidy.
d. Polyploidy only leads to speciation in animals.
e. Polyploidy is common but has no effect on speciation.
Answer: a. Polyploidy has been an important driver of plant diversification.
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