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New bookchp2lesson 3

New book lesson 3

biome it is a group of ecosystems with similar climates and organisms
climate it is the average and annual temperature and amount of precipitation in an area that determines its biomes
desert it is an area that receives less than 25cm of rain per year
Rain forest it is a forest in which large amounts of rain fall year-round
emergent layer it is the tallest layer of the rainforest which receives the most sunlight and can reach up to 70 meters
canopy it is the layer underneath the emergent layer that is 50 meters tall form a leafy roof
understory it is below the copy and it is the layer of shorter trees and vines around 15 meters high
grassland it is an area that is populated mostly by grasses and other non-woody plants
savanna is the grasslands that are located closer to the equator than prairies
deciduous trees they are trees that shed there leaves and grow new ones each year
boreal forest they are dense forests found in upper regions of the northern hemisphere
coniferous trees they are trees that produce their seeds in cones and have leaves shaped like needles.
tundra is extremely cold and dry
permafrost it is frozen soil
Created by: Arianna17