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Population D/E

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Term
Definition
population   group of organisms of the same species that occupy the same geographic place at the same time  
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parasitism   symbiotic relationship in which one organism benefits at the expense of another organism  
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competition   ecological relationship in which two organisms attempt to obtain the same resource  
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predation   process by which one organism hunts and kills another organism for food  
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commensalism   ecological relationship in which one species receives a benefit but other species is not affected one way or another  
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mutualism   ecological relationship between two species in which each species gets a benefit from the interaction  
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limiting factor   environmental factor that limits the growth and size of population  
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carrying capacity   number of individuals that the resources of an environment can normally and persistently support  
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punctuated equilibrium   theory that states that speciation occurs suddenly and rapidly followed by long periods of little evolutionary change  
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gradualism   principle that states that the changes in landforms result from show changes over a long period of time  
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evolution   change in species over time; process of biological change by which descendants come to differ form ancestors  
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Created by: meg.minor.15
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