determining the kinds and importance of natural resources
TRANSCRIPT
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Determining the Kinds and
Importance of Natural Resources
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Student Learning Objectives
• Describe the environment.• Explain natural resources and list
examples.• Contrast and compare renewable
and nonrenewable natural resources.• Describe the ways natural resources
are important to agriculture.
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Terms
Environment
Exhaustible natural resource
Fossil fuel
Inexhaustible natural resource
Natural resource
Nonrenewable natural resource
Renewable natural resource
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What is the Environment?
• The Environment is a living organism’s surrounding
• The Environment includes all the conditions that influence an organism.
• The environment is constantly changing.
• It is usually considered the physical features around us.
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What are Natural Resources?
• Natural resources are resources that occur naturally and are found in nature.
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What are Natural Resources?
Natural resources are used to provide for the needs of humans and all other living organisms.
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Humans cannot make natural resources.
Humans use natural resources in many ways.
Nearly everything humans use is derived from a natural resource.
What are Natural Resources?
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Natural resources are grouped into several categories.
• Wildlife, plants, animals, and other organisms that have not been domesticated.
• Air: a mixture of gases that surrounds the earth and is used by humans in numerous ways.
What are Natural Resources?
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Natural resources are grouped into several categories. (continued)
• Soil: the outer layer of the earth™s crust that supports plant life.
• Water: a substance that is required for all living organisms to survive.
• Minerals: inorganic substances taken from the earth to make other useful objects.
What are Natural Resources?
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Natural resources are grouped into several categories. (continued)
• Fossil Fuels: organic substances mined from the earth. They are used to provide energy and to manufacture other objects.
What are Natural Resources?
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How are Renewable and Nonrenewable natural resources
alike and different?
Natural resources are either Renewable or Nonrenewable.
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Renewable Natural Resources can be replenished by the environment.
• Soil, air, wildlife, and water are examples.
• Replacing them may take a long time.
• If managed improperly, the resource may be depleted before replacement occurs.
How are Renewable and Nonrenewable natural resources
alike and different?
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Nonrenewable Natural Resources cannot be replenished by the environment.
• Minerals are considered nonrenewable.
• The limited nature of nonrenewable natural resources explains their relatively high cost.
How are Renewable and Nonrenewable natural resources
alike and different?
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Inexhaustible Natural Resources will last forever regardless of human activity.
• Water is practically limitless, due to the Hydrologic Cycle; however, mismanagement can cause water to be unfit for use.
• These resources can be either renewable or nonrenewable.
How are Renewable and Nonrenewable natural resources
alike and different?
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Interstate Publishers
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Exhaustible Natural Resources are in limited supply in the environment.
• Fossil fuels are considered exhaustible natural resources.
• These resources may exist in such large quantities that they are considered inexhaustible.
How are Renewable and Nonrenewable natural resources
alike and different?
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How are natural resources important to agriculture?
• All natural resources are dependent on the others.
• Natural resources are interdependent.
–Humans use animals that use plants, air, and water.
–Hawks eat fish that eat insects that eat decomposing plants.
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How are natural resources important to agriculture?
All natural resources are dependent on the others. (Continued)
• Agriculture is used to feed and clothe the world.–Soil minerals, air, and water are
needed by plants to grow.–Livestock eat plants to produce
muscle tissue and fiber.
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Review / Summary• What is an Environment?• Identify the groups that Natural
Resources are grouped?• How are Renewable and Non-
Renewable resources different?• Which resource is found in the
greatest quantity?• Why are Natural Resources important
to agriculture?