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Chapter 22

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
food chain   the passing of materials and energy from one organism to an other  
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decomposer organism   food chains end with a specific type of consumer  
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food web   all of these interrelated food chains and and many others that are possible in an ecosystem to form an _____  
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ecological pyramid   used to illusrate energy relationships in a food chain  
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herbivore   organisms that eat plants  
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carnivore   organisms that eat other animals  
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omnivores   organisms that eat both plants and animals  
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biomass   the dried mass of living matter in a given area of the habitat  
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preditor   an animal that feeds on other animals  
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prey   animals that the preditor eats  
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independent organism   one that exists without the aid of other members of the same species  
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animal society   forms when a number of animals from the same species live together  
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social insects   some of the most rigid animal societies are found among the _____  
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competion   the struggle between organisms for some essential factor that is in short supply in the enviroment  
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commensalism   a relationship between two population that benifits one and does not hurt or help the others  
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scavengers   the animals that eat dead or decaying bodies  
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epiphytes   plants that usually grow on the branches of treesbut do not take nourishment from trees  
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mutualism   a relationship between two population that is beneficial to both  
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Created by: siah808
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