Adaptations Mating & Reproduction Organisms Sex For Flatworms is Both Love and War Dr. M March 19, 2009 daggerfencingflatwormlovemateMatingNSFWPenisReproductionsexspermswordwarworm From the video, “It’s known as penis fencing, and the worms are the swordsmen” Potentially NSFW if having the word the penis said a dozen… View More Sex For Flatworms is Both Love and War
