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Chapter 2 Lesson 1

Science vocab

TermDefinition
Producer An organism that can make its own food.
Consumer An organism that contains energy by feeding on other organisms.
Herbivore A consumer that contains energy by eating only plants.
Omnivore A consumer that contains energy by eating both plants and animals.
Scavenger A carnivore that feeds on the bodies of dead or decaying organisms.
Decomposer An organism that gets energy by by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water.
Food chain A series of events in an ecosystem which organisms transfer energy by eating and by being eaten.
Food web The pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem.
Energy pyramid A diagram that show the amount of energy that moves from one feeding level to another in a food web.
evaporation The process which by molecules at the surface of a liquid absorb enough energy to change to a gas
condensation The change in state from a gas to a liquid
precipitation Any form of water that forms from the clouds and reaches Earth's surface as rain, snow, sleet, or hail.
Nitrogen Fixation The process of changing free nitrogen gas into nitrogen compounds that plants can absorb and use.
Created by: jjg2026000018
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