The Journal of Herpetology publishes original research articles on the biology of amphibians and reptiles, with emphasis on behavior, conservation, ecology, evolution, morphology, physiology, and ...
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A Complete Guide to Your Testicles (Testes)
People with male reproductive anatomy usually have two testicles (testes), commonly called balls. The function of testicles is to produce sperm and testosterone, which is a male sex hormone. These egg ...
One method for controlling zoo animal populations is male castration. For hippopotami, however, this is notoriously difficult, as the pertinent male reproductive anatomy proves singularly elusive.
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