23. Speciation
Species
Multiple Choice
Multiple ChoiceWhich of the following is an example of a postzygotic reproductive barrier?
A
One species of frog mates in April, but another mates in May.
B
The sperm of a marine worm can only fertilize eggs of the same species.
C
One species of flower grows in forested areas, another in meadows.
D
Two pheasant species perform different courtship dances.
E
Two fruit flies of different species produce sterile offspring.
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