In an increasing population, offspring produced early will themselves start to reproduce, and so are more valuable than those produced late.

In six years, one female dog and her offspring can produce as many as 67,000 dogs.

Their offspring, in turn, produce more insects with resistant characteristics.

Those wolves and their offspring have produced an estimated 60 to 70 pups.

Any offspring produced might have been poorly adapted to local conditions.

She has told audiences that a single fertile cat's offspring can produce 420,715 kittens in just seven years.

Two cats and their offspring can produce 100,000 cats in a 10-year period.

Natural selection will act to prevent animals from mating with members of other species if the offspring so produced would be sterile.

Neither you nor any offspring you may produce need worry.

The offspring of distinctly different parental types produce a new, uniform variety with specific characteristics from either or both parents.