natural selection

The famous 19th-century correspondence between Charles Darwin and Wallace, which prompted Darwin to quickly finalize his own writings on natural selection, is one example of such competition.

The program has not made a final selection on which upgrades will actually be included in future versions of the F-35.

In 2007 he said he had discovered a cure for AIDS using natural herbs.

Total oil production figures include crude oil, natural gas liquids, and other liquid energy products.

On top of oil, the United States produces significantly more natural gas than Saudi Arabia.

More to the point, Huckabee has a natural appeal to a party that has come to represent the bulk of working class white voters.

It is full of poetic feeling, and the flesh tints are unusually natural.

The place was well defended by earthworks and natural parapets, and for several hours the issue of the contest was doubtful.

In the old world, poverty seemed, and poverty was, the natural and inevitable lot of the greater portion of mankind.

Whatever the species, it is well to imitate the natural conditions as much as possible in the way of soil.

The significance of time is determined by the movement of any selection, or, in other words, the rhythm.