For the following examples, please indicate the SPECIFIC type of pre- or post-zy

Question

For the following examples, please indicate the SPECIFIC type of pre- or post-zygotic barrier to reproduction that is being illustrated.

a. A pair of butterfly species don't interbreed because the females of each species choose mates by selecting wing patterns that are distinctive to each species.

b. A lion and a tiger mate, producing a sickly liger offspring

c. Two species of aphids don't interbreed because one species mates on goldenrod flowers and the other on crown daisies, which blossom at the same time.

Explanation / Answer

a. A pair of butterfly species don't interbreed because the females of each species choose mates by selecting wing patterns that are distinctive to each species. answer: pre- zygotic barrier b. A lion and a tiger mate, producing a sickly liger offspring answer: pre- zygotic barrier c. Two species of aphids don't interbreed because one species mates on goldenrod flowers and the other on crown daisies, which blossom at the same time. answer: pre- zygotic barrier

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