Multiple Choice
What type of isolation occurs when the timing of reproduction is different between two populations?
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23. Speciation
Introduction to Speciation
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Which of the following is not a prezygotic barrier to speciation?
A
Temporal isolation
B
Behavioral isolation
C
Hybrid sterility
D
Mechanical isolation
Verified step by step guidance1
Understand the concept of prezygotic barriers: Prezygotic barriers are mechanisms that prevent mating or fertilization between different species. These barriers occur before the formation of a zygote.
Identify examples of prezygotic barriers: Common prezygotic barriers include temporal isolation, behavioral isolation, mechanical isolation, and habitat isolation.
Define temporal isolation: Temporal isolation occurs when two species breed at different times of the day, season, or year, preventing them from mating.
Define behavioral isolation: Behavioral isolation involves differences in mating rituals or behaviors that prevent species from recognizing each other as potential mates.
Define mechanical isolation: Mechanical isolation happens when differences in physical structures prevent successful mating between species.
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