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Environ Chp 2 Vocab

Vocabulary for the test that will cover most of Chap 2 (Sect 1-4)

QuestionAnswer
an organism that is able to make its own food producer
an organism, usually a bacterium or fungus, that breaks down wastes and dead organisms decomposer
an organism that eats plants or other animals consumer
a carnivore that feeds on the bodies of dead organisms scavenger
the process of changing free nitrogen gas into a usable form nitrogen fixation
bumps on the roots of certain plants that house nitrogen-fixing bacteria nodules
the process in which organisms use water, sunlight, and carbon dioxide to make food photosynthesis
the very slow motion of the continents continental drift
the first species to populate an area native species
species that are carried to a new ecosystem exotic species
the typical weather pattern in an area over a long period of time climate
the study of where organisms live biogeography
the name of the supercontinent that existed on Earth 200 million years ago before the continents broke apart Pangea
a group of ecosystems with similar climates and organisms Biome
a diagram that shows the amount of energy that moves from one feeding level to another in a food web energy pyramid
the biome that we live in Deciduous Biome
the 3 methods of dispersal wind, water and other living things
limits to disperal... mountains, oceans, lakes, deserts, competition
the source of energy for all ecosystems... the sun
the movement of organims from one place to another (how seeds get from place to place) dispersal
Created by: gdustin
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