It's not an elegant species, but it's tough and they breed fast.

"And we're breeding fast to breed the humanity out of us-but also to provide new hosts for the colonies of viruses, right?"

An environment in which individuals have to breed fast.

They've got a head-start because they know how to use the food-supplies in the city and because they breed fast.

Horses don't breed fast, but we'll have the trucks for years yet.

"Catfish clean the bottom and give a good fight," he told us between sips, "They breed fast, too, so there'll be food for the bass."

Rocksquats bred fast but not as fast as the population of Botany was growing.

"They say-well, the things are real dumb and they breed fast."

The mussels spread fast because they breed fast: one female can lay up to a million eggs a year.

To the Editor: Hypocrisy is breeding fast among those who slash movies for promoting crime.