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mnd H Bio 21.1

terms and definitions ch 21 sec 1

QuestionAnswer
biome a large region characterized by a specific type of climate and certain types of plant and animal communities
tundra a treeless plain that is located in the Artic or Antartic 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 permantly frozen layer of soil or subsoil
tropical forest a region of forest or jungle that is located near the equator and that is characterized by large amounts of rainfall and little variation in temperature
canopy the layers of treetops that shade the forest floor
epiphyte a plant that uses another plant for 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 ne evergreen
deciduous tree a tree that sheds and regrows its leaves in response to seasonal changes
temperate decidous 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 artic and subartic tundra regions
temperate grassland a region that has cold winters and rainfall that is intermediate between that of a forest and a desert; characterized by extensive grasses 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 region that has little or no vegetation, long periods without rain, and extreme temperatures; usually found in warm climates
Created by: OConnellC16
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