1 volume (various pagings) : illustrations ; 29 cm
Includes index.
Part 1 --; Organisms are composed of cells --; Part 2 --; Genes control the traits of organisms --; Part 3 --; Organisms are related and adapted to their enviroment --; Part 4 --; Plants are homeostatic --; Part 5 --; Animals are homeostatic --; Part 6 --; Organisms live in ecosystems.