1. Biodiversity is the variety of life on Earth. Why is biodiversity so important to our lives?

A. Because all living things depend on other living things for life requirements, such as food, shelter, climate and clean water.

B. Biodiversity provides many jobs for people.

C. Biodiversity provides opportunity for learning, recreation and creating joy and wonder.

D. All of the above.

2. I can help improve air quality by reusing or recycling paper.

A. TRUE

B. FALSE

3. I can help improve air quality by walking or riding a bike to school.

A. TRUE

B. FALSE

4. I can help improve air quality by turning on the air conditioning instead of opening a window.

A. TRUE

B. FALSE

5. Which of the following help make fertile soil?

A. Wind and rain

B. Rotting salmon

C. Worms and insects

D. Fruit and vegetable peels

E. All of the above

6.An environmental steward is:

A. A person who has studied the environment.

B. A person who helps take care of a natural place by doing things like picking up garbage or planting trees, either alone or with a group of people.

C. An animal at the top of the food chain (like an eagle or a bear) who keeps the natural environment in order by eating plants and animals below it.

D. All of the above.

7. Fill in the blanks in this sentence:

____________ contributes to the soil so that plants can grow. Plants then help balance the _____________by absorbing carbon dioxide.

A. Garbage we make; Air cycle

B. The Water cycle; Air cycle

C. Rock; Water cycle

back to top