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Environmental Science

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Term
Definition
Abiotic factors   Nonliving parts of an ecosystem  
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Adaptation   an inherited trait that increases an organism's chance of survival and reproduction in a certain environment  
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Biotic factors   Living parts of an ecosystem  
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Coevolution   Two or more species evolving in response to each other  
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Commensalism   Relationship between two species in which one species benefits and the other is neither harmed nor helped  
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Community   a group interacting populations of different species  
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Competition   the relationship between species that attempt to use the same limited resource  
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Ecosystem   All living organisms in a certain area as well as their physical environment.  
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Evolution   change in the genetic characteristics of a population from one generation to the next  
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Extinction   the irreversible disappearance of a population or species  
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Habitat   Place where organisms live  
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Host   Organism from which a parasite takes its nourishment  
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Mutualism   a relationship between two species in which both benefit  
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Natural Selection   Term used to describe the unequal survival and reproduction of organisms that results from the presence or absence of particular inherited traits  
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Niche   An organism's way of life  
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Organism   An individual living thing  
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Parasites   Organism that lives in or on another organism and feeds on it without immediately killing it  
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Parasitism   the relationship between a parasite and its host  
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Population   A group of individuals of the same species living in a particular place  
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Predation   the act of killing and eating another organism  
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Predator   Organism that kills and eats another organism  
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Prey   Organism that is killed and eaten by a predator  
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Species   A group of organisms that are able to produce fertile offspring and that resemble each other in appearance, behavior, and internal structure  
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Created by: Westberg3
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