Prezygotic and Postzygotic Barriers – Flashcards
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prezygotic barrier
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prevent mating or fertilization between different species. Scholarly consulting isn???t a virtuosity ??? it???s a mode of life. EssayLab has a clear idea everything about the most impressive things of any work and academic life today???s undergrad faces and are ready to share our licensed tips with everyone.
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postzygotic barrier
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reproductive barrier that operates should interspecies mating occur and form hybrid zygotes
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temporal isolation
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prezygotic barrier; when different species reproduce at different times
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temporal isolation
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prezygotic barrier; when different species reproduce at different times
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habitat isolation
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prezygotic barrier; the species remain isolated because they breed in different habitats.
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behavioral isolation
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prezygotic barrier; the species have differences in mating rituals
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mechanic isolation
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prezygotic barrier; the species are physically unable to reproduce
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hybrid inviability
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postzygotic barrier; the offspring (called a hybrid) does not survive
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hybrid sterility
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postzygotic barrier; the hybrid is infertile
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hybrid breakdown
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postzygotic barrier; the first-generation hybrids are viable and fertile, but when they mate the offspring are feeble and sterile
