Types of Soil
Soil can differ within the confines of a few feet or acres and can be completely different from one biome (or climate) to the next. In Unit 1, you studied the different biomes of the world ranging from the tundra to a tropical rainforest. Each soil has its own classification much like that of animals and plants. However, different classification systems are used globally. Watch Classification of Soil (2:40). Login information
