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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 14 "One in Every Four".

Multiple Choice Questions

1. Humans hold a narrow view of _________, using them when they are immediately useful only.
(a) Trees
(b) Plants
(c) Pests
(d) Animals

2. During what war time was the spraying of chemicals made more intense and more widespread?
(a) Vietnam
(b) Civil War
(c) WWII
(d) WWI

3. Much of the world's water is polluted by ________ from many sources.
(a) Animals
(b) Nuclear plants
(c) Waste
(d) Dirt

4. There has been a huge increase in the incidence of ___________ and in our awareness of it in fewer than 200 years.
(a) Malignancy
(b) Pneumonia
(c) Influenza
(d) Virus

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

Short Answer Questions

1. Large-scale, single-crop farming eliminates the _______________ that provided built in control of pests.

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

3. What kind of control is actually more effective and less costly than mass spraying?

4. What becomes more numerous when the bird population goes down?

5. Wildlife biologists and forestry experts __________ the mass killings of so much life.

(see the answer key)

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