Includes bibliographical references (page 31) and index.
Summary:
"Worms are some of nature's best friends. Why? They help support a healthy environment. And, believe it or not, they also benefit people. For example, worms break down dead plants and animals. They enrich and loosen soil, helping plants to grow. Worm waste is also an important fertilizer. Look inside to learn all about worms and how they contribute to a healthier planet!"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.