It didn't look like a place where human beings belonged.

"All human beings belong to a single species."

All human beings within the gatehouse and its towers, excepting only those I keep close to me, now belong to you.

An encounter with his own kind of life, moving through a realm of space where protoplasmic beings did not belong.

The lineage to which human beings belong is the oldest, since we are the most complex of living things.

It isn't really that simple, although organic beings belong to the same great band.

The other two beings belonged to a much smaller species with much less in the way of organic weaponry.

Mammals, which appeared more than 200 million years ago, are the group of vertebrates to which human beings belong.

Mammals, the group of vertebrates (animals with backbones) to which human beings belong.