If so, then the religious meme must have adaptive value.

Also, heterosexual behavior can have reproductive effect, but has no social adaptive value in monks or nuns.

The notion that menopause has adaptive value for women and their offspring is itself getting a bit long in tooth.

Yet efforts to demonstrate the adaptive value of menopause have proved elusive.

In population genetics he clarified the concept of adaptive value.

He aimed to show the adaptive value of different cultural forms in maintaining the pre-existing relationship with their environment.

He said, "from an evolutionary point of view, superiority can only mean adaptive value - if it even means this.

There is one feature of this anomalous arrangement that might have adaptive value.

"There's a huge body of literature showing the adaptive value of fever," he said.

The adaptive value of religion would have enhanced group survival.