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4 posts tagged with evolution and sex. (View popular tags)
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Why do humans and animals(?) urinate from their sex organs? Are these two bodily functions in some way related?
Are their examples of animals that pee & have sex with parts of their bodies that are spaced far apart?
posted by selton
on Jul 22, 2006 -
How did we evolve separate genders? I assume it happened pretty early on, since most animals have a male and female, but wouldn't it have had to happen to lots of things at once for it to actually work?
posted by Orange Goblin
on Jun 6, 2004 -