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Chapter 3 Section 3 WORLD CLIMATE PATTERNS Essential Question: Why is Climate important to life on earth? How are climates and biomes organized? Why it matters: Climate patterns vary from region to region. However, factors such as wind and air pressure can create zones where a climate becomes quite dramatic. For example, most of Australia has a dry climate, but when trade winds meet during the summer months, Australia’s northern coast sees intense thunderstorms. Four climate zones: Tropical Dry Mid-latitude High-latitude Each Climate zone is associated with different types of Biomes: ecological community defined by distinctive plant and animal groups. Tropical climates are found in or near the low latitudes. Biome= Tropical Rain forest Temp= Warm to Hot Rainfall= 50-260 inches Vast amounts of food/wildlife Dry climates are in the low and mid latitudes. Biomes= desert and steppe Temp=Warm summers/cold winters Rainfall= Steppe: 10-30 Desert= >10 in Very little wildlife/vegetation Midlatitude climates have variable weather patterns. 4 types: Marine West Coast, Sub Tropical, Mediterranean, humid-continental Biomes= many different (pg. 70) Temp= a little of everything Rainfall=Moderate High-latitude Biomes=Tundra/Tiaga Temp=cold/below freezing Rainfall=mostly snow Very little vegetation due to PERMAFROST Climate change: major changes in the climate over an extended period of time. Indicators include: Rising global temperatures Severe weather changes Heat waves Severe weather events