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BJU Life Science 18
Bob Jones Life Science - Chapter 18
Question | Answer |
---|---|
extinct | No longer existing |
natural resource | A naturally occurring material that is valuable to and used by man |
endangered species | A species that may soon become extinct |
birthrate | The rate at which new individuals are born into a population |
death rate | The rate at which members of a population die |
carrying capacity | The point at which limiting factors prevent further growth of a population; the maximum population size for a given area |
conservation | The preservation and wise use of natural resources |
fossil fuel | An e nergy source derived from the fossilized remains of plants and animals |
pullution | The addition of impurities to an ecosystem such as energy pollutants and substance pollutants |
biodegradable pollutant | A pollutant that can be broken down by the environment |
nonbiodegradable pollutant | A pollutant that cannot be broken down by living organisms in the environment |
recycle | To use again |