Q: Fact 1: If all members of a species cannot produce offspring then that species will likely become extinct. Fact 2: When they mate with females, no offspring are produced. Given the two facts above, if members of a species cannot what, then that species will likely become extinct?

Possible answers:
(a). coded genes.
(b). single-celled organisms.
(c). one celled organisms.
(d). mate with females.
(e). reproduce.
(f). genetic material.
(g). genetic diversity.
(h). most organisms.
A:
(d).