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terms 21.1
Term | Definition |
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biome | a large region characterized by a specific type of climate and certain types of plants and animal communities |
canopy | the layers of treetops that shade the forest floor |
coniferous tree | a tree belonging to a group of tree species that bear their seeds in cones and tend to be evergreen |
chaparral | a type of vegetation that includes broadheafed |
deciduous tree | a tree that sheds and regrows its leaves in response to seasonal changes |
desert | a region that has little or no vegetation, long periods without rain, and extreme temperatures; usually found in warm climates |
epiphyte | a plant that uses another plant for support, but not for nourishment |
tundra | a treeless plain located in the Arctic or Antarctic and is characterized by very low winter temperatures; short, cool summers; and vegetation that consists of grasses, lichen, and perennial herbs |
tropical forest | a region of forest r jungle that is located near the equator and that is characterized by large amounts of rain and little variation in temperature |
temperate deciduous forest | a region of forest that has pronounced seaons, moderate temp, and moderate precipitation; characterzed by trees that shed their leaves in the fall |
taiga | a region of evergreen, coniferous forest below the arctic and subarctic tundra regions |
temperate grassland | a region that has cold winters and rainfall tht is intermediate between that of a forest and a desert |
savanna | a plain full of grasses and scattered trees and shrubs; found in tropical and subtropical habitats and mainly in regions with a dry climate, such as East Africa |
permafrost | in arctic regions, the permanently frozen layer of soil or subsoil |