In this book, he put forward much evidence that evolution had occurred.

This is a great fact of nature, and without it evolution would not occur.

For example, the rate at which evolution occurs is still under discussion.

But she has little doubt that the evolution will occur.

Consequently, an evolution had occurred in at least three ways.

They became aware that evolution had occurred without knowing how.

The next evolution of the cylinder did not occur until the 1830s.

"The world on which their first evolution occurred," said the robot.

In other languages like Spanish, further evolution of the sound occurred.

This also proves to be the basic level at which evolution occurs.