Human Dependence on Natural Resources flashcard

Front

What is an Energy Resource?

Back

A source or supply of energy that can be used to generate electric power to meet people’s needs.

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What is a Natural Resource?

Back

Materials or substances that occur in nature and can be used for economic gain or to support life.

Front

What does it mean when we say a resource is Limited?

Back

It is something that is needed by organisms and is not infinite in its abundance in the environment. If it is exhausted, then the organisms that need it cannot survive.

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How do humans depend on natural resources?

Back

Humans depend on natural resources for food, clean water, air, and transportation.

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What is a Renewable Resource?

Back

A resource that can be replenished naturally over time, such as solar energy or wind energy.

Front

What is a Con in the context of hydroelectric dams?

Back

Hydroelectric dams and their technology are expensive to build.

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What is the difference between Renewable and Non-Renewable Resources?

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Renewable resources can be replenished naturally, while non-renewable resources, like fossil fuels, cannot be replaced once used.

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Give an example of a Limited Resource.

Back

Freshwater is an example of a limited resource, as it is essential for survival and can be depleted.

Front

What is the Biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

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What is the Atmosphere?

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The atmosphere is the layer of gases surrounding the Earth, essential for life.