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WTF Fun Fact - Flatworm Selfing

WTF Fun Fact – Flatworm Selfing

November 13, 2019 by WTF

Flatworms have male and female sets of genitalia, and if they can’t find a flatworm to mate with, they will inseminate themselves by stabbing their head with their needle-like copulatory organ, a practice known as selfing. – WTF Fun Facts

Source: https://www.cnet.com/news/this-flatworms-freaky-sex-life-will-freak-you-out/

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