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21.1 vocab!
21.1 vocab
Question | Answer |
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biome | a large region characterized by a specific type of climate and certain types of plants and animal communities. |
tundra | a treeless plain that is located in the Artic or Antartcic and that is characterized by very low winter temperatures; short, cool summers; and vegetation that consists of grasses, lichens and perennial herbs. |
permafrost | in artic regions, the permanently frozen layer of soil or subsoil. |
tropical forest | a forest or jungle near the equator that is characterized by large amounts of rain and little variation in temperature and that contains the greatest known diversity of organisms on Earth |
canopy | the layers of treetops that shade the forest floor |
epiphyte | a plant that uses another plant fro support, but not for nourishment. |
coniferous tree | a tree belonging to a group of tree species that bear their seeds in cones and tend to be evergreen |
deciduous tree | a tree that shed and regrows its leaves in response to seasonal changes. |
temperate deciduous forest | a region of forest that has pronounced seasons, moderate temperatures, and moderate precipitation; characterized 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 nthat is intermediate between that of a forest and a desert; characterized by extensive grasees and few trees. |
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 |
chaparral | a type of vegetation that includes broad-leafed evergreen shrubs and that is located in areas with hot, dry summers and mild, wet winters. |
desert | a regions that has little or no vegetation, long periods without rain, and extreme temperatures; usually found in warm climates. |