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Download Chapter Two Vocabulary Biogeography The study of where
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Transcript
Chapter Two Vocabulary Biogeography The study of where organisms live Biome A group of land ecosystems with similar climates and organisms Canopy A leafy roof formed by tall trees in a forest Carnivore A consumer that eats only animals Climate The typical weather pattern in an area over a long period of time Condensation The process by which a gas changes to a liquid Coniferoustree A tree that produces its seeds in cones and has needle shaped leaves Consumer An organism that obtains energy by feeding on other organisms Continentaldrift The very slow motion of the continents Deciduoustree A tree that sheds its leaves and grows new ones each year Decomposer An organism that breaks down wastes and dead organisms Desert An area that receives less than 25 centimeters of precipitation per year Dispersal The movement of organisms from one place to another Ecosystem The community of organisms that live in a particular area along with the abiotic factors Energyflow The movement of energy through an ecosystem by food chains and webs Energypyramid A diagram that shows the amount of energy that moves from one feeding level to another in a food web Evaporation The process by which molecules of a liquid absorb energy and change into a gas Exoticspecies Species that are carried to a new location by people Foodchain A series of events in which one organism eats another and gains energy Foodweb The pattern of overlapping food chains in an ecosystem Grassland An area populated by grasses and other nonwoody plants, it gets 25-75 cm of rain yearly Groundwater Water stored in underground layers of soil and rock Herbivore A consumer that eats only plants Nitrogenfixation The process of changing free nitrogen gas into a useable form Omnivore A consumer that eats both plants and animals Permafrost Soil that is frozen all year Precipitation Rain sleet hail or snow Producer An organism that can make its own food Savanna A grassland close to the equator that receives as much as 120cm of rain each year Scavenger A consumer that feeds on the bodies of dead organisms Tundra An extremely cold, dry biome Understory A layer of shorter plants that grow in the shade of a forest canopy Watercycle The continuous process by which water moves from the Earth’s surface to the atmosphere and back