Biological sciences are concerned with all organisms including microorganisms, plants, animals, and man. The dramatic contributions of biology and medicine to man’s welfare have obscured the often forgotten fact that man depends on the natural resources of the earth for this survival. Natural resources are the materials and capacities of the environment that are useful to man. Broadly defined, these resources include land and water, plant and animal life, mineral reserves, aesthetic qualities, and other geophysical characteristics of the earth. Resources may be further classified as renewable and nonrenewable. The former can be replaced or replenished by careful use and management; for example, water, timber, and range. The latter are diminished by use; for example, fossil fuels such as coal and oil.
KeywordsNatural Resource Small Mammal Bark Beetle Itaconic Acid Grazing Animal
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Selected Addition Reading
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