Now, an adaptation must have a functional history: therefore we expect it must have undergone selection caused by relative survival in its habitat.

More genes underwent positive selection in chimpanzee evolution than in human), something I will examine later.

After undergoing selection for two weeks with Sriwijaya, Diogo got a contract offer from the club's management.

Periodically, prisoners throughout the Buchenwald camp system underwent selection.

There is evidence that the gentic-basis of Type 1 Diabetes may have undergone positive selection.

These reports undergo rigorous verification and selection and the best schools are awarded annually.

This number is met because of broodstocks which undergo selection and conditioning in hatcheries.

Wild wolves, which did not undergo artificial selection, are relatively uniform in comparison.

These phenotypic differences undergo selection; as genotypic differences narrow, the trait becomes: