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chapter 2 lesson 3

Biome Is a group of organisms with similar climates and organisms.
climate The average annual temperature and amount of precipitation.
desert An area that receives less than 25 centimeters per yr.
rain forest Forests in which large amounts of rainfall per yr.
Emergent layer The tallest layer of the rain forest which receives the most sunlight and can reach up to 70 meters.
Canopy Trees up to 50 meters tall form a leafy roof.
Understory A layer of shorter trees and vines, around 15 meters high.
Grassland An area that is populated mostly by gasses and other non-woody plants.
Savanna Receives as much as 120 centimeters of rain each yr.
Deciduous Tree (dee Sij oo us) Trees that shed their laves and grow new ones each yr.
Boreal Forest Dense forests found in upper regions of the north hemisphere.
Coniferous Tree (koh NIF ur us) Trees that produce their seeds in cones and have leaves shaped by needles.
Tundra Extremely cold and dry.
Permafrost Frozen soil found in the tundras.
Created by: cel201118894