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Vocabulary Review

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Term
Definition
organism   one, individual living thing  
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population   all of one species living in an area  
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community   all the living things in an area  
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ecosystem   all the biotic and abiotic things in an area with a unique climate  
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biosphere   Earth; the sum of all ecosystems on the planet  
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biotic   living, or once living  
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abiotic   non-living, or never living  
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producer   an organism that makes its own food through photosynthesis. A plant  
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consumer   an organism that must eat to survive. It cannot photosynthesize its own food.  
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autotroph   an organism that makes its own food through photosynthesis: a plant  
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herbivore   an organism that eats plants only, e.g. cows, horses  
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carnivore   an organism that eats meat only, e.g. cats, dogs, wolves  
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omnivore   an organism that eats both plants and meat, e.g. humans, bears  
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detrivore   an organism that feeds off dead organisms and helps to break materials down, e.g. bacteria, worms  
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food chain   the flow of energy from the sun--> plants--> consumers-->apex predator  
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Created by: llamach
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