Atrait in a species that results in it being better suited to survive and reproduce in its environment is called a

A trait in a species that results in it being better suited to survive and reproduce in its environment is called Adaptation

Living things contain dna but dna has little to do in looks. Genes on the other hand is related to appearance but all genes are different, passed on from generation to generation and the dna of every person differs from others and is specific hence all species look different.

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