Grassland biomes
The prairies of the American west, the pampas of Argentina, the steppes of Russia, and the veldt of South Africa all share at least one thing in common: they are covered with miles upon miles of grass. This program can help students learn to identif...
Rainforest biomes
At one time, lush, steaming jungles covered much of the planet's land mass. 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 ri...
Physical Geography: Making Sense of Planet Earth - Layering the Planet
About this title: Geography has found that Earth is organized into a sequence of spheres: the inner core, the crust or lithosphere, a soil layer, known as the pedosphere, the hydrosphere, the atmosphere and biosphere. Alec Murphy shows how they are ...
Desert biomes
Whether it's a stretch of sand dunes in equatorial Africa or a cactus-covered plain in California, any place that receives less than ten inches of rain per year is considered a desert. By comparing and contrasting arid and semi-arid regions, this pr...
Interdependence of life
On planet Earth, no living thing is an island. This video identifies the world's ecosystems as it explains the flow of energy and the cycling of matter within them. Terms such as biosphere and biome, biotic and abiotic, autotrophs (producers) and he...
Tundra biomes
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 ...
Core biology: environmental sciences
In this program, the wonders of ecology and ecosystems revealed. A seminal moment in mankind's history occurred when, in 1949, Aldo Leopold announced the concept of a land ethic: "We are all part of the greater interconnected whole of plants animal...
Aquatic biomes
Ranging from rivers and lakes, to wetlands and intertidal zones, to coral reefs and kelp forests, aquatic ecosystems are as diverse as the life-forms that inhabit them. This program introduces students to a variety of the world's aquatic biomes. The...