Length: 17:03 | MS HS C A | Views: 287
This program can help students learn to identify the climates, life-forms, and behavioral adaptations that go with each type of grassland biome. Factors that threaten the survival of these habitats' distinctive animal communities--and of the ecosystems ... themselves--are also addressed.
Length: 20:05 | MS HS C A | Views: 439
Through this program, students can expand their understanding of rainforests and how their inhabitants live. Special attention is given to the threats to these incredibly rich ecosystems, home to more than half of the different kinds of animals and ... plants that live on Earth.
Length: 22:17 | HS C A | Views: 331
About a fifth of the Earth's land surface is tundra: cold, dry, treeless, and home to a diverse range of inhabitants including lichens and lemmings, sedges and snowy owls, and dwarf willow bushes and musk oxen. By viewing this program, students can ... develop a fundamental appreciation for the world's Arctic and Alpine tundra biomes. The plants and animals that populate tundra environments are clearly identified, along with the adaptations that enable them to live in places where the temperature can drop to 70 degrees below zero.