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Topic | Every mammal has either a penis or a vagina. |
ChromaticAngel 12/13/17 8:54:10 PM #6: | Tanoomba posted... Why don't we have mammals that don't have penis or vaginas? It's one of the defining characteristics of mammals. All female mammals have milk-producing breasts as well. Even dolphins and such. --- ... Copied to Clipboard! |
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