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An African clawed frog, Xenopus laevis A restricted herbicide, atrazine is used primarily on crops, not around the home, and can be purchased and applied only by certified applicators. Hayes, associate professor of integrative biology, and his colleagues report that atrazine at levels often found in the environment demasculinizes tadpoles and turns them into hermaphrodites - creatures with both male and female sexual characteristics. The herbicide also lowers levels of the male hormone testosterone in sexually mature male frogs by a factor of 10, to levels lower than those in normal female frogs. As Hayes later discovered, many atrazine-contaminated ponds in the Midwest contain native leopard frogs with the same abnormalities. Abnormal gonads in a male Xenopus frog, the result of exposure to the herbicide atrazine. The frog has become a hermaphrodite, that is, it has both male testes and female ovaries sex organs.Download Frog Sex Stock Photos for FREE or amazingly low rates! New users enjoy 60% OFF. stock photos online. Popular weed killer demasculinizes frogs, disrupts their sexual development, UC Berkeley study shows 04 April High-resolution image available for download. Bullfrog sex is fascinating (and just a little scary) The second-largest frog on the continent, the African bullfrog has Image: Peter Webb...the end of the story look at the video above ↑ ↑ ↑
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