A biologist, of course, can name many and know the distinct species.

There is little doubt that Iraqi biologists know how to do it.

Stiff-necked as they might be, the biologists knew their business.

He demonstrates a good sense of what biologists know about how life works and what they don't.

Every biologist knew that the threat of a hoax was omnipresent.

All biologists know that as habitat is reduced, species go extinct.

Every biologist knows that small groups in isolation evolve fastest.

As biologists know now, females are the evolutionary gatekeepers of any species.

When we first see them in the fossil record they have developed three families, so biologists know their early evolution is not yet revealed.

As every practicing molecular biologist knows, it takes up to months or years to learn and master new experimental techniques.