Which of the following is a requirement for speciation? Group of answer choices three or more species reproductive isolation natural selection different environments
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Which of the following describes allopatric speciation? Multiple Choice A single population suddenly divides into two reproductively isolated groups without being geographically isolated. A geographic separation occurs between subpopulations leading to reproductive isolation. Gene flow between subpopulations minimizes differences in their gene pools. Subpopulations that are geographically isolated but still able to interbreed. Wide phenotypic differences that appear between subpopulations due to variation in their environments.
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What is needed for natural selection to occur? Select all that apply. a. Variation in traits b. Several interbreeding populations c. Differential reproduction d. Some form of predation or disease e. Traits that can be passed from parent to offspring.
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