food chains (ecology)

Portrays a day in the life of Earth Mother who, as she tends plants and animals around the world, meets three of her creations with advice on how to make the world more perfect.

A special field trip on the magic school bus allows Ms. Frizzle's class to see how the food chain works in the ocean.

A color-illustrated look at the pond food chain, describing each link, from the producers to the decomposers.

Examines the various animals that inhabit the world's deserts and discusses the food chain and what happens to a food web when a food chain breaks down as well as methods that can be taken to protect the desert food chain.

Explains what scavengers and parasites are, discusses their role in the food chain, and introduces different types of scavengers and parasites.

A color-illustrated overview of the producer's role in the food chain, describing such topics as chlorophyll, plants of the sea, and the production of oxygen.

Explains what an omnivore is and how they adapt to change and find food, describing omnivorous mammals, fish, birds, and insects.

Explains what herbivores are, discusses the role of the plant eaters in the food chain, and introduces different types of herbivores.

A color-illustrated look at the decomposer's role in the food chain, which describes what shredders and saprobes, including bacteria, fungi, and slime molds, do to break down dead plants and animals.

Explains what carnivores are, discusses the role of the meat eaters in the food chain, and introduces different types of carnivores.