They are among those insects which changed least during evolution.

During evolution it could have been modified into its present form.

During their evolution, humans were subject to natural selection like any other form of life.

St. Lawrence has been located in various places during its evolution.

A very common occurrence during evolution is an increase in aggression.

Often, the change in function of an organ during evolution is even more dramatic.

During evolution, it has taken many forms and served a variety of functions.

There are only few changes during their evolution from the earlier actinopterygians.

These oil paintings show how the valley might have looked in six different times during its geographic evolution.

There is usually no fever during evolution of the rash.