Tropical Zones (between 0° and 23.5° )•Tropical Wet•Tropical Wet and Dry

•Temperate Zones (between 23.5 ° and 66.5°)•Arid•Semiarid•Mediterranean•Humid Subtropical•Marine West Coast•Humid Continental•Subarctic

•Polar Zone (between 66.5 ° and 90 °)•Tundra•Ice Cap

•Highland (mountain)

•Along the equator

•Warm and rainy year-round

•65+ inches of rain a year

•Tropical rain forest

•Borders tropical wet

•Warm all year with a distinct rainy and dry season

•20+ inches of rain in rainy season

•Tropical grassland with scattered trees

•Centered along 30° latitude

•Dry, can be cold or hot

•Less than 10 inches of rain

•Desert-mostly barren, rocky, sandy areas with drought resistant plants

•Borders arid/desert regions

•Semi-dry with wide temperature ranges

•Rains 10-20 inches a year

•Grassland and few trees

•West coasts in middle latitudes and

around the Mediterranean Sea

•Dry warm summers and mild wet

winters

•Scrub woodland and grassland

•East coasts in middle latitudes

•Hot, humid summers and mild, humid winters

•Regular precipitation year-round

•Mixed forest

•West coasts in upper–middle latitudes

•Cloudy, mild summers, and cool, rainy winters with a strong ocean influence

•20-60 inches of rain a year

•Temperate evergreen forest

•East coasts and interiors of upper-middle latitude continents

•Four distinct seasons

•Equal amounts of precipitation each season

•Mixed forest

•Higher latitudes of interior and east coasts of continents

•Extremes of temperatures

•Long, cold winters and short, warm summers

•Low precipitation

•Northern evergreen forest

•High latitude coasts

•Cold all year

•Very long, cold winters and very, short cool summers

•Low precipitation

•Mosses, lichen, & low shrubs

•Polar regions

•Freezing cold all year

•Snow and ice year-round

•Less than 10 inches of precipitation a year

•No vegetation

•Mountain regions

•Temperature varies with elevation

•Temperature decreases 4.2° per 1000 ft.

•Forest to tundra to ice cap vegetation