Answer: In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. ... This enables better survival and reproduction compared with other members of the species, leading to evolution.Adaptations are the result of evolution. ... Adaptations usually occur because a gene mutates or changes by accident! Some mutations can help an animal or plant survive better than others in the species without the mutation. For example, imagine a bird species.
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East-West
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According to the compass its points at to the east-west
Is there something to choose or what? i think it's about the small number of alive fish that have the best genotype possible. only these that have best fitness will survive.
Running,jump scares,getting nervous