Here on Manna, the evolutionary pressure is to get near a heat source.

The changes indicate that the gene has been under strong evolutionary pressure in humans.

There is evolutionary pressure on the bigger fish, which are caught.

Instead, he said, only species that were under heavy attack experienced this evolutionary pressure.

So these halfway steps would be selected out by evolutionary pressure.

Another technique used evolutionary pressure such as breeding from only older members.

One could not build a dam against such evolutionary pressures.

The difference does not look like the results of any evolutionary pressure.

Maybe it wasn't so much will or thought as just evolutionary pressure.

But don't think of these cats simply as some evolutionary pressure.