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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 8 "And No Birds Sing".

Multiple Choice Questions

1. What is not usable for drinking, irrigation, or industry?
(a) Frozen water
(b) Stream water
(c) Lake water
(d) Seawater

2. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.
(a) Color
(b) Taste
(c) Metabolism
(d) Appearance

3. Studies on the __________ in areas previously sprayed with DDT have confirmed that DDT remains in the birds at least one generation after the spraying.
(a) Buzzards
(b) Hawks
(c) Robins
(d) Eagles

4. DDT is passed long through the ___________ during the course of nearly everyone's life.
(a) Exhaust fumes
(b) Air
(c) Packaged foods
(d) Food chain

5. What was infected with chemicals that led to the death of so many robins?
(a) Earthworms
(b) Water
(c) Nest building material
(d) Air

Short Answer Questions

1. What is the name for chemicals that mix with other pollutants and substances in the water, producing unidentifiable results?

2. Because animals are affected by chemicals, scientists are having a hard time finding uncontaminated animals to serve as _________ in experiments.

3. What did the birds provide naturally that made their deaths all the more significant?

4. Chemical wielding __________ overlook the terrible flaws in their programs of blanket spraying.

5. The town Carson describes _________ actually exist.

(see the answer key)

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