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Chapter 2 Lesson 3
Definitions from the Interactive Textbook: Ecology and the Environment
| Question | Answer |
|---|---|
| Biome | A group of ecosystems with similar climates and organisms |
| Climate | The average annual conditions of temperature, precipitation, winds, and clouds in an area. |
| Desert | A dry region that on average receives less than 25 centimeters of precipitation per year. |
| Rain forest | A forest that receives at 2 meters of rain per year, mostly occurring in the tropical wet climate zone. |
| Emergent layer | The tallest layer of the rainforest that receives the most sunlight. |
| Canopy | A leafy root formed by tall trees in a rainforest. |
| Understory | A layer of shorter trees and vines that grows in the shade of a forest canopy. |
| Grassland | An area populated mostly by grasses and other non-woody plants that gets 25 to 75 centimeters of rain each year. |
| Savanna | A grassland located close to the equator that may include shrubs and small trees and receives as much as 120 centimeters of rain per year. |
| Deciduous tree | A tree that sheds its leaves during a particular season and grows new ones each year. |
| Boreal forest | Dense forest of evergreens located in the upper regions of the Northern Hemisphere. |
| Coniferous tree | A tree that produces its seeds in cones and that has needle-shaped leaves coated in a waxy substance to reduce water loss. |
| Tundra | An extremely cold, dry biome climate region characterized by short, cool summers and bitterly cold winters. |
| Permafrost | Permanently frozen soil found in the tundra biome climate region. |
Created by:
tschulz
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