Exactly where that put them on the evolutionary scale he wasn't sure.

"Girls" is too fine a word for these organisms, too high up the evolutionary scale.

We're already at the top of the evolutionary scale.

Half of their inhabitants are way down on the evolutionary scale.

Only the lower and higher end of the evolutionary scale survived.

Why should an animal's distance from us on the evolutionary scale determine how we treat it?

"As an athlete, I'm at the lowest end of the evolutionary scale," he said with a laugh.

I prefer my men a little higher up the evolutionary scale.

They have to be trained, of course; they're lower on the evolutionary scale as compared to humans and we alike.

Over the years dentists have told me I'm a step ahead on the evolutionary scale.