The first evidence of reproduction was not expected until at least 2006.
Right down to the cost of reproduction back in 1966.
Who should be in control of reproduction, women, or their doctors?
In some cases the competition is about rates of growth and reproduction.
This period is interesting for the first evidence of sexual reproduction.
Then she said: "Perhaps tomorrow you can show me how your kind does the act of reproduction."
What are the implications for the process of economic reproduction?
With its extraordinary rate of reproduction, the community is growing by better than 10 percent a year, he said.
Or maybe these men and women didn't understand the full implications of reproduction.