Question

One plant opens its flowers during the day, whereas a nearby plant only opens its flowers at night. Prezygotic barrier Postzygotic barrier Habitat isolation Temporal isolation Behavioral isolation Mechanical isolation LILLLIII Gametic isolation Hybrid inviability Hybrid infertility Hybrid breakdown

Answer 1

The pre-zygotic reproductive barriers are habitat isolation, temporal isolation, behavioral isolation, mechanical isolation and gametic isolation whereas the post-zygotic reproductive barriers are hybrid inviability, hybrid breakdown and hybrid infertility. The pre-zygotic barriers prevent the zygote formation and the post-zygotic barriers prevent any further reproduction after a hybrid ia formed as they are sterile or are inviable.

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