Ecosystems and food chains
By: by Francene Sabin ; illustrated by Art Cumings.
Contributors: Cumings, Art, ill.
Publisher: Troll Associates
Published: 1985
Place of publication: Mahwah, N.J
Language: eng
Number of pages: 30
Subjects: Ecology -- Juvenile literature.; Food chains (Ecology) -- Juvenile literature.; Ecology.; Food chains (Ecology)
Description: Explains the natural patterns by which plants and animals depend upon each other and the environment for food, and emphasizes the dangers of pesticides and other human interference with the ecosystem.