AP BIOLOGY

Detailed explanation-1: -The main climate zones are: equatorial, tropical, temperate and polar (Arctic in the Northern Hemisphere and Antarctic in the Southern Hemisphere).

Detailed explanation-2: -According to the three cell convection model of each hemisphere the Earth neatly separates itself into three distinct climate zones; the polar, temperate, and the tropical zones.

Detailed explanation-3: -The tropics are regions of Earth that lie roughly in the middle of the globe. The tropics between the latitude lines of the Tropic of Cancer and the Tropic of Capricorn. The tropics include the Equator and parts of North America, South America, Africa, Asia, and Australia.

Detailed explanation-4: -Earth has three main climate zones because of seasonal change as it revolves around the sun. The tropical regions of Earth usually have the same climate year-round: hot and often wet.

Detailed explanation-5: -As described by Köppen, the four main types of tropical climates are tropical rainforest, tropical monsoon climate, tropical savanna (dry winter), and tropical savanna (dry summer).