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New book lesson 3

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