human101
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This phrase, found in Darwin's Origin of Species, suggests that species adapt and change by natural selection and the changes aid in the survival of the organism.

Respuesta :

I think the answer is "survival of the fittest" or in other words, organisms of the same species exhibit varieties and the favorable varieties to the particular environmental conditions which give an advantage to that variety will be naturally selected as they will survive and propagate whereas the poor varieties will perish eventually.

Answer:

fitness

Explanation:

took the vocab on utp