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Cubangbang's 7thB Ch.22 Organism Relationships Stack #129282

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Question
Answer
Ecological pyramids   an illustration shaped like a pyramid and divided into layers to show the energy relationships between organisms in an ecosystem  
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Herbivores   organisms that eat plants  
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Parasite   a smaller organism that obtains its energy and materials from a larger organism called the host  
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Carnivores   animals that eat other animals  
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Biomass   the mass of living material produced by a given area  
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Omnivores   organisms that eat both plants and animals  
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Predator   an animal that feeds on other animals  
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Tapeworm   a parasite that lives in a human’s intestine, but usually doesn’t kill the person  
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Prey   the animal that the predator eats  
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Independent organism   an organism that exists without the aid of other members of the same species that live together  
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Animal society   a group of animals of the same species that live together  
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Social insects   an insect that lives in a colony usually exhibits some division of labor  
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Pecking order   a system of rank that occurs among a group of chickens  
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Commensalism   a relationship in which one organism benefits and the other one is not helped or harmed  
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Scavenger   an animal that eats dead or decaying matter  
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Mutualism   a relationship that is beneficial to both organism involved  
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Obligatory mutualism   mutualism in which both organisms must be together or they will die  
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Mimicry   when one organism looks like another  
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