Usually 1-4 baby worms hatch from each cocoon, depending on the species. A few species of worms don't have to mate, they can produce eggs all by themselves. Different earthworms species reproduce and grow at very different rates. Earthworms lay their eggs in the moist soil where they live, and make a soft but tough shell around them. read more
Mussels and other mollusks don't have quite as much fun they just release eggs female tiger snakes bear live young, unlike egg laying. read more