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Science 4th Grade

Unit B Ch 1 LS 1,2

QuestionAnswer
Ecosystems groups of living things and the enviornment they live in
Population a group of the same species living in the same place at the same time
Community all the populations that live in the same area
Habitat an enviornment that meets the needs of an organism
Niche the role or part played by an organism in its habitat
Producers a living thing such as a plant, that makes its own food
Consumers a living thing that eats other living things for energy
Decomposers a living thing that feeds on the wastes of plants and animals or on their remains after they die
Energy pyramid a diagram that shows how much food energy is passed from one organism to one another along a food chain
Food web a diagram that shows how food chains connect and overlap
Created by: doris.gaddis
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