We have a copyeditor, but being a biological entity he does require food and sleep, not to mention some time away from the computer.

Viruses are by far the most abundant biological entities on Earth and they outnumber all the others put together.

We all automatically confer a higher order to a developed biological entity like a human brain.

As biological entities, invasions may be natural, but that doesn't mean they're welcome.

In these biological entities, the blood system and lymphatic systems seem to have been combined.

They are not metallic or mechanical, but rather biological entities that may be mistaken for humans.

In fact, we can and do, but it does not make them coherent biological entities.

A mutant is a biological entity which has undergone a change in its genetic structure.

Odo, we've been assuming that what we needed to track on the station was a biological entity.

Tin Man was a biological entity that needed a heart.