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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Humans __________ plants when an an immediate use is not obvious for a plant.
(a) Test
(b) Destroy
(c) Eat
(d) Move

2. What is the name for chemicals that mix with other pollutants and substances in the water, producing unidentifiable results?
(a) Sludge
(b) Gunk
(c) Muck
(d) Trep

3. All of the Earth's watersystems are _____________, so contamination of a part is contamination of the whole.
(a) At risk
(b) Dirty
(c) Connected
(d) Separate

4. Throughout earth's history, living things have __________ with their environment but not changed it.
(a) Interacted
(b) Tinkered
(c) Battled
(d) Grown

5. Bacteria, fungi, and algae are the smallest organisms of Earth and they live in the ________.
(a) Air
(b) Water
(c) Stones
(d) Soil

Short Answer Questions

1. Farms and orchards do NOT include these trees, in Carson's description.

2. What was infected with chemicals that led to the death of so many robins?

3. Due to pollution in its environment, this kind of bird has suffered from extensive population reduction and sterility issues.

4. The Earth itself is ________ only as long as the creatures within it are.

5. Radiation used to be limited to that which occurred naturally - in rocks, cosmic rays, and __________.

Short Essay Questions

1. What are synthetic pesticides now made of, as opposed to the naturally occurring minerals which were once used before the war?

2. What were the results of the spraying of the Japanese beetle in Michigan in 1959?

3. Why is it strange that a program was launched against the Southern population of fire ants?

4. What happens when the bees are suddenly gone from this beautiful American town?

5. How does Carson think weeds are defined by most people in today's world?

6. Why is the eagle population suffering in relation to the chemicals being used in pest control?

7. What do the mitochondria of cells do within the body?

8. Describe the cycle of life between the soil, plants, and the animals.

9. How has infectious disease been controlled in modern society?

10. What are the smallest organisms on the Earth which live in the soil?

(see the answer keys)

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