7th Grade: 4Q Final Exam Review

A natural resource which replenishes as it is being used is referred to as renewable resources.

• A. True

• B. False

Ecosystems are important because it helps the human quality of life by filtering water, filtering our air, and producing food.

• A. True

• B. False

Silver is a metal that is considered rare (not easily found). This natural resource along with copper and some others are referred to as precious metals.

• A. True

• B. False

Freshwater is a natural resource that makes up less than 3% of the water found on Earth and is found in glaciers, some lakes, rivers, and underground in aquifers.

• A. True

• B. False

The physical, chemical, biotic (living), and abiotic (non-living) factors that surround us is called the Human Environment.

• A. True

• B. False

The completeness or integrity of an ecosystem’s biodiversity is often used as a measure of its health.

• A. True

• B. False

Healthy ecosystems provide four services. Which is NOT one of these services?

• A. Support Services

• B. Regular Services

• C. Provisioning Services

• D. Cultural Services

Minerals, soil, rocks, sunlight, water, air, land, vegetation, and fossil fuel are all examples of ____________________.

• A. Renewable Resources

• B. Natural Resources

• C. Nonrenewable Resources

• D. Ecosystem

Humans negatively impact ecosystems by causing deforestation, desertification, pollution, and ____________________.

• A. Global Warming

• B. Invasive Species

• C. Overharvesting

• D. All of the above

The image above shows examples of _____________________ energy sources.

• Renewable

• Non-renewable

• Natural Resources

• Energy