Question
Prezygotic isolating mechanisms include all of the following except.a. hybrid sterility.b. courtship rituals.c. habitat separation.d. seasonal reproduction.
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These include ecological or environmental isolation, behavioral isolation, temporal isolation, and mechanical isolation. Show more…
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Prezygotic isolating mechanisms: a. reduce the fitness of hybrid offspring. b. generally prevent individuals of different species from producing zygotes. c. are found only in animals. d. are found only in plants. e. are observed only in organisms that reproduce asexually.
Which of the following reproductive isolating mechanisms prevents mating because the two species are physically unable to mate? (a) ecological isolation (b) behavioral isolation (c) mechanical isolation (d) gametic isolation (e) all of the above
Prezygotic isolating mechanisms prevent hybrid offspring from occurring between species because (a) the resulting offspring are not fertile and cannot reproduce. (b) the egg and sperm fuse and form a zygote, but it does not survive. (c) the egg and sperm do not ever meet or, if they do, cannot fuse to form a zygote. (d) all of the above
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