This DVD contains 4 - 20 minute videos:
Grasslands
Terminology and concepts discussed in the program include: savanna, grassland, grass, prairie, nutrients, and bison.
Water
Terminology and concepts covered in this video include: marine, aquatic, sea anemone, benthos, plankton, nekton, intertidal zone, neritic zone, open ocean, estuary, running water, standing water, and biological productivity.
Forests
Terminology and concepts covered in the video include: conifer, taiga, spruce, fir, deciduous tree, maple, beech, oak, hickory, canopy, understory, herbaceous, sloth, Everglades, epiphytes, ferns, vines palmetto, and strangler fig tree.
Deserts & Tundra
Terminology and topics discussed in the program include: Sonoran, Mojave, Chihuahuan, Sahara, arid, kryptogram, saguaro cactus, permafrost, arctic tundra, alpine tundra, caribou, and ptarmigan.