Earthworms reproduce through a unique copulation process whereby two worms line up against each other and excrete a type of mucous that forms a layer that encapsulate their bodies. Both worms release sperm into the mucou... More »

The main difference between living and non-living things is that a living organism is or was once alive, whereas a non-living thing has never been alive. Non-living is not the same as being dead because non-living things... More »

A common misconception is that, because earthworms have both male and female sex organs, they can self-fertilize. However, earthworms? sex organs grow at opposite ends of their bodies, making it impossible for one worm t... More »

Eggs that come from earthworms are wrapped in a protective cocoon. The eggs are sequestered in the ground for protection. Earthworms are able to hatch in 14 days in warm weather but take up to 60 days to hatch in cold we... More »

The typhlosole in earthworms increases the surface area of the intestine for efficient secretion and absorption during digestion. It is named for the Greek word for "blind pipe," and the typhlosole can be defined as an e... More »

Over time, earthworms have developed several structural, physiological and behavioral adaptations through evolution. These beneficial features have allowed them to become better suited to their environment. More »

Experts say that most earthworms were imported from Europe to North America by settlers. To stabilize their ships, settlers loaded them with soil that contained earthworms and their cocoons. Glaciers had destroyed most n... More »