ecology

Text and photographs present the animal life on a seventy-year-old maple tree.

Examines the various animals that inhabit the world's oceans 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 ocean food chain.

Examines the various animals that inhabit the world's grassland regions 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 grassland food chain.

Explains where plants and animals live and why they exist, and traces the vital geographical dimensions of natural history in maps.

Describes the formation, naming, and colonization of the twenty-seven-year-old volcanic island Surtsey and how the first animals and plants became established there.

Defines words and terms commonly used in discussing the environment, from "acid rain" to "wetland.".

Explores the levels of life in a pond from the muddy shore to the murky bottom.

Presents several cross-curriculum activities for teaching intermediate students about ecology; covers language arts, math, science, social studies, art, and life skills and includes reproducible pages and a bibliography.