Natural Selection and Evidence for Evolution 3.0 / 5 based on 3 ratings ? BiologyEvolution, extinction and natural selectionGCSEEdexcel Created by: GoCreated on: 31-12-12 14:59 Natural selection means survival of the.... Fittest. 1 of 5 Define: variation Variation is the differences in individuals' genes. 2 of 5 Define: survival of the fittest The individual with characteristics that make them better adapted to the environment. 3 of 5 The genes that are responsible for [survival of the fittest] are more likely to be passed on to the ______ generation. Next 4 of 5 How is evolution caused? By gradual changes in DNA. 5 of 5
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