Food chains /
Silverstein, Alvin.
Food chains / Alvin Silverstein, Virginia Silverstein, Laura Silverstein Nunn. - Brookfield, Conn. : Twenty-First Century Books, c1998. - 63 p. : ill. (some col.) ; 26 cm. - Science concepts . - Silverstein, Alvin. Science concepts. .
Includes bibliographical references (p. 57-60) and index.
Explains various components of a food chain, and discusses the concepts of food webs, umbrella species, and biogeochemical cycles.
076133002X : $24.90
97052147
Food chains (Ecology)
Ecology.
QH541 / .S534 1998
577/.16
Food chains / Alvin Silverstein, Virginia Silverstein, Laura Silverstein Nunn. - Brookfield, Conn. : Twenty-First Century Books, c1998. - 63 p. : ill. (some col.) ; 26 cm. - Science concepts . - Silverstein, Alvin. Science concepts. .
Includes bibliographical references (p. 57-60) and index.
Explains various components of a food chain, and discusses the concepts of food webs, umbrella species, and biogeochemical cycles.
076133002X : $24.90
97052147
Food chains (Ecology)
Ecology.
QH541 / .S534 1998
577/.16