ecology

Learn how swamps, bogs and marshes help control floods, naturally filter water and provide a good home to lots of living things, especially wildlife. Comedy, interviews with scientists and hands-on experiments.

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.

Describes the characteristics of deciduous forest biomes, looks at where they are located in the world, discusses why deciduous forest environments are important, and identifies some of the plants and animals that live in them. Includes an activity.

"The coniferous forest biome is made up of cone-bearing trees such as pines, firs and spruce, as well as a varied assortment of other organisms adapted to live in this unique region. Coniferous forests will take students on a fun-filled trip from Asia to North America to explore these treasured woodlands, taking an up-close look at their shared characteristics while discovering the animal and plant life that call this biome home. An interview with an ecologist examines the lasting impact that natural forces such as wind and fire have had on these forests, while a dramatic experiment illustrates how pollution is emitted from forest fires"--Container.

Bill Nye the Science Guy answers questions about populations and conducts an activity designed to help viewers understand how weeds proliferate.

Bill Nye the Science Guy answers questions about forests, and conducts an activity that simulates the diverse forest environment.

Documents the life cycle and ecosystem of the giant saguaro cactus and the desert animals it helps to support.

Describes the different types of grasslands, including savannahs, steppes, and temperate grasslands, and examines their ecosystems.

Provides facts about deserts, discussing what makes a desert, looking at the geographical features of the dry lands, introducing some of the plants and animals that live in the arid regions, and including a photographic tour of some of the world's deserts.