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Science Unit 1 Vocab

Vocabulary flashcards for unit 1 practice

TermDefinition
Photosynthesis A series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen.
Ecosystem All the living things and nonliving things in a given area.
Glycolysis A process by which glucose, a sugar, is broken down into smaller molecules.
Producer An organism that uses an outside energy source, such as the Sun, and produces its own food.
Consumer An organism that cannot make its own food and gets energy by eating other organisms.
Detritivore An organism that consumes the bodies of dead organisms and wastes produced by living organisms.
Food chain A model that shows how energy flows in an ecosystem through feeding relationships.
Energy pyramid A model that shows the amount of energy available in each link of a food chain.
Evaporation The process of a liquid changing to a gas at the surface of the liquid.
Condensation The process by which a gas changes to a liquid.
Precipitation Water, in a liquid or solid form, that falls from the atmosphere.
Nitrogen fixation The process that changes the atmospheric nitrogen into nitrogen compounds that are usable by living things.
Created by: user-1978645
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