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Biology
Posted 2 months ago

Narrow hybrid zones may persist for long times because (accept either)
a. hybrids are always at a disadvantage
b. hybrids have an advantage in that particular region
c. hybrid individuals do not move far from their birthplaces
d. individuals that move into the zone have not previously encountered individuals of the other species,
so reinforcement of reproductive barriers has not occurred
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Answer from Sia
Posted 2 months ago
D
Key Concept
Reinforcement of reproductive barriers
Explanation
Narrow hybrid zones may persist because individuals moving into the zone have not previously encountered individuals of the other species, preventing reinforcement of reproductive barriers.

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