He had started the firm 23 years ago with the production of a machine that reproduced keys within minutes.

They often reproduce within a host's cells and are generally too small to be seen with the naked eye.

It is only active when reproducing within a host, using a hosts' resources and food.

The parasite then reproduces within the body of the cat.

Not only do these phenomena still exist, they have been intensified by being reproduced within the framework of a world economy.

The virus is not able to reproduce within the cell however integrates into the human genome.

The more it can reproduce within the host's body.

Inevitably, the national division is reproduced within the self.

A female zebra mussel begins to reproduce within 6-7 weeks of settling.

Inbreeding is a serious threat, as the small plant population must reproduce within its own circle resulting in genetic defects.