This is thought to be relatively common over evolutionary time.

First, the human species most likely arose only a hundred thousand years or so ago - the day before yesterday in evolutionary time.

She has read that language, agriculture and murder became part of the human experience at the same evolutionary time.

Recent studies have indicated conservation of molecular networks through deep evolutionary time.

All have increased over evolutionary time, but none is the "natural end" of the evolutionary process.

Codes, when they prove to be stable over evolutionary time, are constraints of this kind.

In order for this trait to have persisted through evolutionary time, a level of recognition is necessary among individuals.

This species, over evolutionary time, has lost its worker caste altogether.

A 95-million-year-old fossil is helping scientists understand how snakes lost their legs through evolutionary time.

No anthropologist could explain why they disappeared; it happened very abruptly, as evolutionary time goes.