11.   The lefties never lived to have offspring.

12.   The reason for this population dearth is that Shakers refuse to have offspring.

13.   Cod are also having offspring at younger ages.

14.   Lin Wang never had any offspring.

15.   Sharks, he said, are vulnerable to overfishing because they grow slowly and have few offspring.

16.   Some mutations have apparently been eliminated by people who carry them never having offspring, the researchers said.

17.   The presence of menopausal grandmas made no difference in how many offspring their daughters had or how well those offspring survived.

18.   When they reproduce, they have few offspring, usually two.

19.   The spokesman said that Belt had offspring in most parts of the world and was the first European bull whose semen was exported to North America.

20.   The animal had four offspring, three of which are still alive but will be put to death on Monday, it said.