A simultaneous hermaphrodite, the slug has both male and female reproductive organs that it uses simultaneously during sex. The male organ is a two-pronged _____ equipped with spines.
A simultaneous hermaphrodite, the slug has both male and female reproductive organs that it uses simultaneously during sex. The male organ is a two-pronged _____ equipped with spines.
Lots of animals take part in what humans might consider bizarre mating tactics, but one sea slug might take the cake: it stabs its partner in the head.
Gender-bending crabs that roamed the Cretaceous seas some 68 million years ago raise a mystery about why some of these crustaceans boasted both male and female characteristics. Parasitic infection is one possibility, but researchers can't be sure.
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