01363cam a2200325 4500 212861826 TxAuBib 20070206120000.0 061004s2007||||||||||||||||||||||||eng|u 2006033114 9780836877618 lib. bdg. $26.60 0836877616 lib. bdg. $26.60 (OCoLC)72161897 DLC DLC DLC NjBwBT TxAuBib Davis, Barbara J., 1952- Biomes and ecosystems / by Barbara J. Davis. Milwaukee, WI : 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. 20070524. Biotic communities Juvenile literature. Biotic communities. Ecology. Gareth Stevens vital science - earth science. https://catdir.loc.gov/catdir/toc/ecip072/2006033114.html Table of contents only TXQUE