Bob Jones Life Science - Chapter 18
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| 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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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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