Indeed, examples of both of those evolutionary progressions can be found.

All available evidence on the origin of life points to an evolutionary progression from simple to complex life forms.

Remember what I said earlier: it was language that provided the feedback loop that sent the human brain on its runaway evolutionary progression.

Examples of both of these evolutionary progressions can be found.

The inner planets reflect an evolutionary progression, the planets nearest to the sun being younger than those farther out.

But whether that shift is the beginning of a revolutionary transformation or an evolutionary progression is a matter of fierce debate.

He developed a theory of two types of society, the militant and the industrial, which corresponded to this evolutionary progression.

Thus, the argument that the horns functioned in digging is not supported by the morphology or the evolutionary progression.

They can be viewed as an evolutionary progression.

A natural evolutionary progression beyond the other abilities I mentioned.