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Chapter 18.2 Vocabulary

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Term
Definition
Habitat   the place where an organism lives  
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Biotic Factor   the living components of the environment  
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Abiotic Factor   nonliving factors of the environment  
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Tolerance Curve   a graph of performance versus values of an environmental variable, such as temperature  
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Acclimation   the process where some organisms can adjust their tolerance to abiotic factors  
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Conformer   organisms that do not regulate their internal conditions; change as external environmental conditions change  
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Regulator   organisms that use energy to control some of their internal conditions  
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Dormancy   a longer-term strategy to enter a state of reduced energy to withstand unsuitable conditions  
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Migration   another strategy to move to another place to withstand unsuitable conditions  
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Niche   from the Old French "nichier," meaning "to nest"; the specific role of an organism within its environment  
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Generalist   species with broad niches; can tolerate range of conditions and use a variety of resources  
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Specialist   species that have narrow niches  
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Created by: truongm19
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