biotic communities

Contains video clips and animations that examine different ecosystems and habitats; explaining adaptation, reproduction, food chains, and the relationships between living things in a biotic community.

Visits Botswana's Okavango Delta, presenting footage of cheetahs, wild dogs, hippopotamuses, crocodiles, pangolins, catfish, elephants, and lechwe negotiating their survival in the complex ecosystem that develops there during the annual dry season, when floodwaters flow in from Angola.

"... In Marine ecoststems, students will explore saltwater environments -- from shorelines to coral reefs -- and learn about the fish, plants, mammals, and insects that depend on each other for survival in this aquatic biome. Examine concepts such as salinity and currents, and find out about the three major life zones found in ocean waters. A fun, hands-on experiment allows students to discover how brine shrimp have adapted to changes in salt concentration, while a visit with a marine biologist on the Chesapeake Bay examines the fascinating life cycle of a blue crab.

Examines more than 40 wilderness zones worldwide, using locator maps, eco-diagrams and photographs to explore each zone.

Presents sixteen stories that provide scientifically accurate, detailed information about some of the world's deadliest predators, each followed by questions designed to lead students in thinking about ecosystems and the animal life they support. Includes suggestions for further reading.

Provides indoor and outdoor activities along with information on the Earth's biomes, and features illustrated, step-by-step instructions to make lightning, build an erupting volcano, create a tornado in a bottle, and more.

Explains what an eco-tracker and citizen scientist is and how to become one, how to be more aware of the surrounding habitat and environment, and what can be done to improve the area, and includes activities to give readers hands-on experience with some of the processes described in the book.

Presents an introduction to the biomes of the world, in simple text with illustrations, providing information on tundra, grassland, desert, forest, and aquatic regions.