Which of the following is an example of a postzygotic reproductive barrier? Group of answer choices The hybrid offspring of two species of jimsonweeds always die before reproducing. One Ceanothus shrub lives on acid soil, another on basic soil. Mallard and pintail ducks mate at different times of the year. Two species of leopard frogs have different mating calls.
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Option A states that the hybrid offspring of two species of jimsonweeds always die before reproducing, which is an example of a postzygotic reproductive barrier. Option B describes two different shrubs living in different soil conditions, which is an example of Show more…
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Identify each of the following reproductive barriers as prezygotic or postzygotic. a. One lilac species lives on acidic soil, another on basic soil. b. Mallard and pintail ducks mate at different times of the year. c. Two species of leopard frogs have different mating calls. d. Hybrid offspring of two species of jimsonweed always die before reproducing. e. Pollen of one kind of pine tree cannot fertilize another kind.
Which of the following is an example of a post-zygotic reproductive barrier? A. One Ceanothus shrub lives on acid soil, while another on basic soil. B. Two species of leopard frogs have different mating calls. C. Pollen of one kind of tobacco cannot fertilize another kind. D. Mallard and pintail ducks mate at different times of the year. E. Hybrid offspring of two species of jimsonweeds always die before reproducing. QUESTION 8 Two types of canyon mice (one gray colored, the other brown) mate in a canyon crevice. The resulting offspring are themselves reproductively fertile. According to the biological species concept, the gray and brown mice are: the same species two different species reproductively isolated producing hybrids behaviorally isolated
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