1. 3.4 Soils and Vegetation

2. Soil Regions Soil is a thin layer of weathered rock, humus, air, and water Soil is a thin layer of weathered rock, humus, air, and water Top 6 inches (topsoil) Top 6 inches (topsoil) The type of soil in the area can help determine the human activity in the area The type of soil in the area can help determine the human activity in the area

3. Vegetation Regions Soil, temperature and moisture influence the type of vegetation in a region Soil, temperature and moisture influence the type of vegetation in a region Ecosystem- interdependent community of plants and animals (This depends on vegetation and climate) Ecosystem- interdependent community of plants and animals (This depends on vegetation and climate) Biome- the ecosystem of an area (divided into 4) Biome- the ecosystem of an area (divided into 4)

4. Forestlands Categorized by the types of trees Categorized by the types of trees Broadleaf or deciduous trees are found in tropical zones and northern hemisphere Broadleaf or deciduous trees are found in tropical zones and northern hemisphere Coniferous trees- cone bearing like pines and furs. Most found in northern regions of North America, Asia, and Europe Coniferous trees- cone bearing like pines and furs. Most found in northern regions of North America, Asia, and Europe

5. Grasslands Flat with few trees Flat with few trees Savanna in a tropical region Savanna in a tropical region Steppe in Northern Hemisphere and other areas Steppe in Northern Hemisphere and other areas

6. Desert and Tundra Cold or hot environments Cold or hot environments Mosses or lichen in cold Mosses or lichen in cold Cacti or sagebrush in hot Cacti or sagebrush in hot

7. Review Page 68 Please answer the “Main Ideas” Questions #1-10 Please answer the “Main Ideas” Questions #1-10 This is for a grade and due at the end of class or first thing tomorrow morning. This is for a grade and due at the end of class or first thing tomorrow morning.