|Ecosystems in Action presents specific ecosystems that exist within broad biomes and a concrete picture of the diversity and interdependence of specific organisms living there. Illustrating not only how each ecosystem works in its pristine, balanced state, this series further shows how human interaction has changed, and often endangered, them. Support the national science education standards Unifying Concepts and Processes: Systems, Order, and Organization; Unifying Concepts and Processes: Evidence, Models, and Explanation; Unifying Concepts and Processes: Constancy, Change, and Measurement; Unifying Concepts and Processes: Evolution and Equilibrium; Unifying Concepts and Processes: Form and Function; Life Science; and Science in Personal and Social Perspectives as outlined by the National Academics of science and endorsed by the National Science Teachers Association.|
From the Publisher:
Examines the physical features, processes, and many different species of plants and animals that make up the ecosystem of Alaska's North Slope.Go on a journey across the frozen, windswept plains that lie within the Arctic Circle. Using Alaska's North Slope as an example, Life in the Tundra examines the physical features, processes, and many different species of plants and animals that make up a unique tundra ecosystem. Find out about the impact of humans on this once-pristine ecosystem and what is being done to save it. Visit this land of eternal frost and learn what makes it so special. Book jacket.