ISBN: 9781432938574

Description: 48 pages : color illustrations, 1 map ; 25 cm.

Notes: Includes bibliographical references and index.

LCCN: 2009049542

Control Number: 798638

Series:

• Protecting food chains
• Protecting food chains.

Subjects:

• Food chains (Ecology) -- Juvenile literature.
• Grassland ecology -- Juvenile literature.