Johansson, Philip

Describes the conditions of carpal tunnel and other repetitive strain injuries, the causes, and treatment options.

Explains what biomes are and describes the plants and animals found in the tropical rain forest and how they help each other survive.

Explains what biomes are and describes the plants and animals found in the grasslands and how they help each other survive.

Discusses the animals and plants of the tundra biome, including their role in the food chain.

Discusses the plants and animals of the temperate forest biome, including their roles in the food chain.

Discusses the plants and animals of the taiga biome, including their roles in the food chain.

Discusses the plants and animals of the grassland biome, including their roles in the food chain.

Discusses the plants and animals of the desert biome, including their roles in the food chain.

Explains what biomes are and describes the plants and animals found in the tropical rain forest and how they help each other survive.

Presents information on the biome of lakes and rivers following the food web and flow of energy from sun to plants and animals.