Slade, Suzanne.

What if there were no sea otters? : a book about the ocean ecosystem / by Suzanne Slade ; illustrated by Carol Schwartz. - Mankato, MN : Picture Window Books, c2011. - 24 p. : col. ill., col. map ; 27 cm. - Food chain reactions. . - Food chain reactions. .

Includes bibliographical references (p. 23) and index.

Discusses the ocean ecosystem and the role of the sea otter as a keystone species in helping to maintain it, describing the otter's place on the food chain and what would happen if the sea otter were to become extinct.

Lexile: 820.

ISBN: 9781404860186 (library binding) 1404860185 (library binding) 9781404863972 (pbk.) 1404863974 (pbk.)

LCCN: 2010009879

Subjects--Topical Terms:
Marine ecology.
Sea otter--Habitat.

LC Class. No.: QH541.5.S3 / S54 2011

Dewey Class. No.: 577.7