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16 May, 05:38

Which is a requirement for natural selection to occur? heritable variations for some traitsthe ability of an organism to improve a trait during its lifetimeequal probability of survival for all offspringfewer offspring than the environment can support?

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  1. 16 May, 06:08
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    Answer;

    heritable variations for some traits

    Explanation;

    -Natural selection is the process by which the organisms in a population that are best adapted to the environment increase in frequency relative to less well-adapted forms, over a number of generations.

    Four general conditions necessary for natural selection to occur are:

    -More organisms are born than can survive.

    -Organisms vary in their characteristics, even within a species.

    -Variation is inherited.

    -Differences in reproduction and survival are due to variation among organisms.

    If all four of these conditions occur, which they commonly do in both natural and human-influenced ecological systems, then natural selection will occur.
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