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Multiple Choice
Which of the following can lead to reproductive isolation?
A
Shared habitat
B
Similar mating rituals
C
Increased food availability
D
Geographic barriers
Verified step by step guidance
1
Understand the concept of reproductive isolation: Reproductive isolation occurs when different species or populations are unable to interbreed and produce fertile offspring. This is a key mechanism in the process of speciation.
Identify the types of reproductive isolation: There are two main types—prezygotic barriers, which prevent mating or fertilization, and postzygotic barriers, which occur after fertilization and affect the viability or fertility of the offspring.
Examine geographic barriers as a form of prezygotic isolation: Geographic barriers, such as mountains, rivers, or oceans, physically separate populations, preventing them from mating and leading to reproductive isolation.
Consider how geographic barriers contribute to speciation: Over time, isolated populations may evolve independently due to different environmental pressures, leading to the development of distinct species.
Reflect on why shared habitat, similar mating rituals, and increased food availability do not lead to reproductive isolation: These factors can promote interaction and mating between individuals, thus not contributing to reproductive isolation.