Nematoda Phylum
Guinea Worms(Dracunculus Medinensis)
The male and female meet in an area for mating all the time. They meet in the thorax and abdomen. they come to this area before mating in this area they molt twice before mating. The female grows significantly after mating. Mating is one on one mainly because males die 2 months after mating.
Whip Worm(Trichuris Trichiuria)
Females use pheromones to attract males.The male spiracle which contains a ejaculatory duct wraps around the female and sticks it inside the female's pore which contains her genital. he releases sperm which unlike animal sperm does not have a flagella. The female produces 5,000 eggs per day.
Vingar Eel(Turbatrix Aceti)
These animals reproductive tools are similar to humans. Females have ovaries as well as sacs that store sperm. But when an egg becomes fertile it turns into an egg like the ones birds lay. These eggs hen hatch in side the womb. the female lays 45 eggs in eight to ten days. Male reproductive system includes testi smaller then the females reproductive system.