food chains (ecology)

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.

An overview of grassland food chains featuring color photos and illustrations. Discusses the producers, consumers, and decomposers in these habitats. Describes what people do that harms grassland food chains and recommends actions for individuals to help protect them.

Describes the world of maggots, including characteristics, life cycle, and their role in the food chain.

Explores different kinds of food eaten by certain animals and the special teeth or other tools they have for eating that food, as well as some of the ways plants avoid being eaten.

Provides an introduction to food chains and food webs, and looks at food chains in action in various desert habitats.

Provides an introduction to food chains and food webs, and looks at food chains in action in various rain forest habitats.

Provides an introduction to food chains and food webs, and looks at food chains in action in various river and lake habitats.

Provides an introduction to food chains and food webs, examines food chains in action in various grassland habitats, and looks at what happens when the chain is broken.

Provides an introduction to food chains and food webs and examines food chains in action in various urban habitats.