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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5 "Realms of the Soil".

Multiple Choice Questions

1. Life is able to adapt to environmental change over _____________, according to Carson.
(a) Millennia
(b) A year
(c) A decade
(d) A few months

2. In the modern world, life does not have the luxury of ________.
(a) Control
(b) Money
(c) Time
(d) Research

3. How long can chemicals remain in the soil to which they are applied?
(a) 1 month
(b) 1 year
(c) 12 years
(d) A few days

4. Because animals are affected by chemicals, scientists are having a hard time finding uncontaminated animals to serve as _________ in experiments.
(a) Subjects
(b) Helpers
(c) Examples
(d) Controls

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

Short Answer Questions

1. What is plentiful in the streams, providing good fishing spots since early settler times?

2. All of the Earth's watersystems are _____________, so contamination of a part is contamination of the whole.

3. What happens to the people in the beginning description which puzzles doctors?

4. Only _________ have gained the ability to reserve the roles and actually change the environment they live in.

5. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.

(see the answer key)

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