How could an undead creature produce a child?

Other creatures, including a class of micro-organisms that live without oxygen, also produce methane.

Again, Joao asked himself how the creature could produce that simulation of human speech.

Multilimbed creatures produced in order to fly, to walk, to grip and tear.

It was interesting to visit their pavilions, to see what works the strange, tall creatures had produced since the summer before.

No creature could produce sounds as quickly as that!

The solution to the problem of what creatures produced the first chicken egg is 'evolution': they were almost, but not quite, chickens themselves.

These creatures produced wove, even a rough version of the fabric.

He states that all living creatures produce small quantities of electricity.

He turns to the creature and begins to think that the colors the creature produces will take the pain out of being consumed.