click below
click below
Normal Size Small Size show me how
Chapter 21
Section 1
| Question | Answer |
|---|---|
| a large region characterized by a specific type of climate and certain types of plant and animal communities | biome |
| a treeless plain that is located in the Arctic or Antarctic and that is characterized by very low winter temperatures; short, cool summers; and vegetation that consists of grasses, lichens, and perennial herbs | tundra |
| in arctic regions, the permanently frozen layer of soil or subsoil | permafrost |
| a region of forest or jungle that located near the equator and that is characterized by large amounts of rain and little variation in temperature | tropical forest |
| the layers of treetops that shade the forest floor | canopy |
| a plant that uses another plant for support, but not for nourishment | epiphyte |
| a tree belonging to a group of tree species that bear their seeds in cones and tend to be evergreen | coniferous tree |
| a tree that sheds and regrows its leaves in response to seasonal changes | deciduous tree |
| a region of forest that has pronounced seasons, moderate temperatures, and moderate precipitation; characterized by trees that shed their leaves in the fall | temperate deciduous forest |
| a region of evergreen, coniferous forest below the arctic and subarctic tundra regions | taiga |
| 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 | temperate grassland |
| 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 | savanna |
| a type of vegetation that includes broad-leafed evergreen shrubs and taht is located in areas with hot, dry summers and mild, wet winters | chaparral |
| a region that has little or no vegetation, long periods without rain, and extreme temperatures; usually found in warm climates | desert |