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Ecology Vocabulary

Life Science

TermDefinition
ecology the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
biotic of, relating to, or resulting from living things, especially in their ecological relations.
abiotic physical rather than biological; not derived from living organisms.
population more than one organism.
community more than one species in one area.
ecosystem Everything. trees plants, animals, etc.
biosphere earth.
producer-autotroph they make/produce their own food by photosynthesis.
consumer-heterotroph they consume/eat
herbivore any animal that feeds chiefly on grass and other plants
carnivore any animal that eats meat.
omnivore an animal or person that eats food of both plant and animal origin.
scavenger an animal or other organism that feeds on dead organic matter.
decomposer an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances.
food chain A food chain shows how each living thing gets its food. It shows who is eating who. The arrow means "is eaten by" .
food web a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community.
Created by: Ali Brooks
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