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Biology

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Which are required for natural selection to occur

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Chuck187 Chuck187

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Four general conditions necessary for natural selection to occur are: A. More organisms are born than can survive. B. Organisms vary in their characteristics, even within a species. D. Differences in reproduction and survival are due to variation among organisms.

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blakeedwards2019 blakeedwards2019

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Answer:

1. heritable variations for some traits

Explanation:

Assuming the options are:

heritable variations for some traits
the ability of an organism to improve a trait during its lifetime
equal probability of survival for all offspring
fewer offspring than the environment can support

there are four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

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