What's the Difference Between Males and Females?

There's a worm called the zombe worm which feeds off skeletons of, mostly whales, bur other dead ocean animals at the bottom of the sea. And then they just live inside whalebones forever and ever. The thing i like about them is that the males just live inside the females forever. So there'll be one female, and then they'll have about a hundred males living inside o really,. They just live there, and they feed off her yoke, of her eggs. As they that they they were looking for the males, right e ne they found the sperm inside the females. It turned out the sperm was the maleike, they're the little guys who live inside the