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.
A fundamental look at a common food chain in the mountains, starting with the ponderosa pine, ending with the mountain lion, and introducing various animals in between.
Explains what food webs are, and follows a carpenter bee, white-lined sphinx moth, marine iguana, flightless cormorant, and other animals as they weave food webs in the Galapagos Islands. Includes descriptions and photographs of various Galapagos Island plants and animals.
Explains what food webs are, and follows a coyote, a kit fox, an elf owl, and an ocelot as they weave food webs in the Sonoran Desert. Includes descriptions and photographs of various desert plants and animals.
A terrible oil spill in the Arctic, a lesson about food chains, and a computer game featuring a polar bear turn into a magical adventure for Billy, whose class uses email and a fund-raiser to help rescue the Arctic animals.
Explores the characteristics of a rain forest environment and outlines the many types of food chains that compose the larger food webs of these regions. Details various threats to rain forests' safety and discusses what is being done to protect them. Includes full-color photographs and a glossary.