Biomes and ecosystems /
Davis, Barbara J., 1952-
Biomes and ecosystems / by Barbara J. Davis. - Milwaukee, Wis. : Gareth Stevens Pub., 2007. - 48 p. : col. ill., col. map ; 24 cm. - Gareth Stevens vital science. Earth science. .
Includes bibliographical references (p. 47) and index.
Ecosystems -- Ecosystem energy flow -- Natural cycles -- World biomes -- Keeping the balance.
Explains how ecosystems, including food webs and natural cycles, work to move energy around the planet.
970 Lexile.
9780836878721 (pbk.) : $14.05 0836878728 (pbk.) : $14.05
2006033114
Ecology.
QH541.14 / .D38 2007
577
Biomes and ecosystems / by Barbara J. Davis. - Milwaukee, Wis. : Gareth Stevens Pub., 2007. - 48 p. : col. ill., col. map ; 24 cm. - Gareth Stevens vital science. Earth science. .
Includes bibliographical references (p. 47) and index.
Ecosystems -- Ecosystem energy flow -- Natural cycles -- World biomes -- Keeping the balance.
Explains how ecosystems, including food webs and natural cycles, work to move energy around the planet.
970 Lexile.
9780836878721 (pbk.) : $14.05 0836878728 (pbk.) : $14.05
2006033114
Ecology.
QH541.14 / .D38 2007
577