Always something must die so that another organism can live.

This means they live together with (or inside) another organism.

These organisms live together, and each cell in the colony is the same.

This has resulted in organisms living six times longer than normal.

"And what would happen to any organisms living beneath the clouds?"

Some very unusual organisms live in this part of the ocean.

After spawning, the new organisms will live for around 11 years in the wild.

Simple organisms may have once lived where water once was.

Many bacteria and other organisms live in our bodies normally.

If too many organisms live in an environment, it is called overpopulation.