3.2 - Mechanisms of Reproductive Isolation
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Practice Questions
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What are prezygotic barriers?
💡 Hint: Think about what stops two species from mating.
Give an example of postzygotic barriers.
💡 Hint: Consider what happens after two species breed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of barrier is temporal isolation?
💡 Hint: Think about when mating occurs.
True or False: Hybrid sterility is a prezygotic barrier.
💡 Hint: Consider when it is effective.
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Challenge Problems
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Consider a situation where two fish species live in the same river but spawn at different times. Discuss the types of isolation mechanisms at play and predict the long-term evolutionary outcome.
💡 Hint: Focus on the timing aspect of their life cycles.
Analyze a population where a mutation leads to hybrid sterility in offspring. What are the potential evolutionary implications for the original population?
💡 Hint: Think about how reproductive success affects gene propagation.
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