"I hope they don't overbreed them like we did on earth.

They bottle us up until we overbreed, and then collapse.

It won't overbreed inside its host.

Problem number one^-lacking natural controls, our human descendants will tend to overbreed until Stra-tos can no longer support their numbers.

Artificial contraception is now being considered as an alternative to hunting as a means of controlling the population of animals which overbreed.

Long ago, Darwin and Malthus pointed out life's basic paradox-that all species carry inbuilt drives to try to overbreed,.

Enough to keep the herd going given climate changes or whatever, not so many they could overbreed or wan-der off the reservation, but the population drops rapidly.

Denial of famine relief by the British government was based in the belief that it was nature's way of fixing the Indians' tendency to "overbreed".

And if we're lucky, one day we'll discover a really advanced civilization, one that has licked this problem of overbreed, and learn how to undo the damage we have done to our own planet.