As for the repulsive organic creatures on board the other ship, sooner or later they would be destroyed.

"From all signs, this is a creature, yet clearly not an organic creature."

I would very much like to know how an organic creature can breathe fire.

Those are close to man and other organic creatures.

Less than us fully organic creatures, I should think.

The hard radiation would kill an organic creature well-nigh instantly.

Each was an organic creature built around a solid-fuel skeleton.

It was a leathery organic creature of some kind, a little bigger than Spot herself.

Bits of things that couldn't possibly be part of an organic creature.

A menace to every organic creature in a five-mile radius.