earthworms

Presents an introduction to earthworms, in simple text with illustrations, including information on what they are, how they move, what they eat, and how they reproduce.

Describes the physical characteristics, behavior, and life cycle of the common earthworm.

Text, colorful photographs, and illustrations describe the physiology of the earthworm and the useful service it performs for man.

Describes the physical characteristics, behavior, and life cycle of the common earthworm.

Explains where earthworms live, what they eat, how they move, and how they help the soil. Includes experiments for young people.

Discusses earthworms, where they live, and their place in helping animals and plants.

Presents facts and photos about earthworms, discussing anatomy, diet, habitat, and behavior. Includes a glossary and index.

Text and photographs explore why worms are necessary for soil.