Which Scenario Would Not Be Considered an Example of a Prezygotic

question 247

Multiple Choice

Which scenario would not be considered an example of a prezygotic reproductive isolating mechanism?

• A) One bird species forages in the tops of trees for flying insects, whereas another forages on the ground for worms and grubs
• B) The males of one species of moth cannot detect and respond to the sex attractant chemicals produced by the females of another species
• C) Sperm of one species of sea urchin are unable to penetrate the egg plasma membrane of another species
• D) Mosquitoes of one species are active in foraging and searching for mates at dusk, whereas those of another species are active at dawn
• E) Flowers of one orchid species mimic female bees of species A, whereas flowers of another orchid species mimic female bees of species B

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