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Biome A group of ecoystems with similar climates and organisms.
Climate The average annual conditions of tempture, precipitation winds, and clouds in an area.
Desert A dry region that on average receives less than 25 centimeters of precipitaion per year.
Rain Forest A forest that receives at least 2 meters of rain per year, mostly occurring in the tropical wet climate zone.
Emergent Layer The tallest layer of the rain forest that receives the most sunlight.
Canopy A leafy roof formed by tall trees in a rain forest.
Understory A layer of shorter trees and vines that growsin the shade of a forest canopy.
Grassland Amn area populated mostly by grasses and other nonwoody plants that gets 15 to 75 centimeters of rain each year.
Savanna A grassland located close to the equator that may include shrubs ans small trees and recives as much as 120 centimeters of rain per year.
Deciduous Tree A tree that shreds its leaves during a particular season and grows new 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 a needle- shaped leaves coated in a waxy substince to reduce water.
Tundra An extremly cold, dry biome climate region charcterized by short, cool summers and bitterly cold winters.
Permafrost Permantly frozen soil found in the tundra biome climate region.
Organism A living thing.
Species A group of similiar organisms that can mate with each other and produce offspring that can also mate and reperduce.
Ecology The study of how organisms interact with each other.
Habitat An envirmenyt that provides the things a spacific organism needs to live, grow, and reperduce.
Population All the members of one species living in the same area.
Biotic Factor A living or once living part of an organism's habiait.
Community All the different populations that live together in a particular area.
Abiotic Factor A nonliving part of an organism's habiait.
Ecosystems The community of organisms that live in a particular area, along with their nonliving envirment.
Created by: N.Richardson