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AP Bio Chapter 53

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
Species Richness   Number of species in a community  
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Relative abundance   How many of on species vs. how many of another  
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Species diversity   Considers species richness and relative abundance  
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Individualistic hypothesis   Species happen to live together because of similar abiotic requirements  
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Interactive hypothesis   Species live together because of positive biotic interactions  
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Coevolution   A change in one species forces a change in another species  
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Predation   A predator eats it's prey  
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Parasitism   Predators live off their prey withour killing them outright  
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Parasitoidism   Insects lay eggs in a host  
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Herbivory   Animals eat plants  
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Cryptic coloration   Camouflage  
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Aposematic coloration   Warning colors to defend from predators  
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Mimicry   Superficial resemblance to another species  
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Batesian Mimicry   Harmless species mimics a harmful model  
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Mullerian Mimicry   Two or more harmless species resemble each other  
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Parasite   Predator who feeds off a host  
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Host   Fed on by a parasite  
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Endoparasite   Live inside a host  
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Ectoparasite   Feeds on the external surface of a host  
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Competitive Exclusion Principle   Two species with similar needs cannot exist in the same place  
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Ecological Niche   Sum of an organisms use of biotic and abiotic resources in it's environment  
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Fundamental niche   Set of resources an organism theoretically could use  
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Realized niche   Resources a population uses collectively  
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Resource Partitioning   Use resources in different ways  
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Symbiosis   Species living together  
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Parasitism   One benefit, one harmed  
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Commensalism   One benefit, one unnaffected  
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Mutualism   Both parties benefit  
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Keystone Species   Species that have a very strong impact on the community structure  
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Exotic species   An introduced species  
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Stability   Maintaining an equilibrium  
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Disturbances   Events that damage communities  
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Ecological succession   Transition in species over time  
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Primary sucession   First transitions  
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Secondary succesion   Established communities change  
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Dynamic Equilibrium Hypothesis   Species diversity depends on disturbances  
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Recruitment   Change in community structure due to disturbances  
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Intermediate Disturbance Hypothesis   Diversity is greatest where disturbances are moderate in both frequency and severity  
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