"Food chain (Ecology) Study and teaching (Primary)" . . . "Juvenile works" . . . "Food chains and food webs" . . . . . "\"All living things depend on each other for survival...A food chain shows how living things grow by eating other living things, and our Food Chain Activity Kit is a hands-on way to demonstrate how this happens.\"--Teacher's guide, p.1." . . . . "Who eats what? food chains and food webs" . . . "Food chain activity kit" . "Food chain (Ecology) Juvenile literature." . . . .