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Biomes
| Question | Answer |
|---|---|
| Biome | is a group of ecosystems with similar climates and organisms |
| Climate | limits the species of plants that can grow in an area |
| desert | is an area that receives less than 25 centimeters of rain per year |
| rain forest | are forest in which large amounts of rain fall year round |
| emergent layer | is the tallest layer of the rain forest which receives the most sunlight |
| canopy | is used to refer to the extent of the outer layer of leaves of an individual tree or group of trees. |
| Understory | a layer of vegetation beneath the main canopy of a forest |
| grassland | is an area that is populated mostly by grasses and other non-woody plants |
| savanna | a grassy plain in tropical and subtropical regions, with few trees. |
| deciduous tree | tree's that shed their leaves and grow new ones each year |
| boreal forest | are dense forest found in upper regions of the northern hermisphere |
| coniferous tree | tree's that produce their seeds in cones and have leaves shaped like needles |
| tundra | is extremely cold and dry |
| permafrost | a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions. |