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Bob Jones Life Science - Chapter 18

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Question
Answer
extinct   No longer existing  
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natural resource   A naturally occurring material that is valuable to and used by man  
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endangered species   A species that may soon become extinct  
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birthrate   The rate at which new individuals are born into a population  
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death rate   The rate at which members of a population die  
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carrying capacity   The point at which limiting factors prevent further growth of a population; the maximum population size for a given area  
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conservation   The preservation and wise use of natural resources  
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fossil fuel   An e nergy source derived from the fossilized remains of plants and animals  
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pullution   The addition of impurities to an ecosystem such as energy pollutants and substance pollutants  
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biodegradable pollutant   A pollutant that can be broken down by the environment  
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nonbiodegradable pollutant   A pollutant that cannot be broken down by living organisms in the environment  
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recycle   To use again  
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