The evolutionary significance of dry and wet season forms in some tropical butterflies.

Further support for the evolutionary significance of gossip comes from a recent study published in the peer-reviewed journal, Science.

The evolutionary significance of human underarm hair is still debated.

A word of caution here: not all similarities indicate relationships with evolutionary significance.

The study of human genetic variation has both evolutionary significance and medical applications.

As previously mentioned, directing of attention towards aesthetics may have evolutionary significance.

Ethology is concerned with the evolutionary significance of an animal's behaviors in its natural environment.

If so, then our current, tentative efforts in space may carry evolutionary significance equal to life's first forays from the oceans onto land.

The relevance of symbiosis is its frequency and its evolutionary significance.

Such behavioral traditions may have evolutionary significance, allowing adaptation at a faster rate than genetic change.