Using whimsical characterizations of the single-celled algae, filamentous algae, protozoa, water flea, damselfly nymph, and crayfish intercut with microscopic views, shows how energy is passed from one link in the food chain to another.
Colorful illustrations and rhyming text describe the food chain of a pond, introducing different animals in the food web and the parts they play within the ecosystem, and including comprehension questions and related activities.