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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. The campaign in the American West to replace _______ with grass is one example of man's arrogant approach to plants.
(a) Sagebrush
(b) Cacti
(c) Trees
(d) Sand

2. Our individual bodies have a kind of _______, just as the larger environment does.
(a) Resistance
(b) Threshold
(c) Endurance
(d) Ecology

3. What posed no threat, only a minor annoyance, yet was still the target of a massive spraying campaign?
(a) Ladybug
(b) Fire ant
(c) Mosquito
(d) Gypsy moth

4. Chemicals can travel down ___________ or in underground aquifers to the bodies of water.
(a) Streets
(b) Mountains
(c) Watersheds
(d) Sewers

5. The narrow ___________ is the tiniest structure in the human body.
(a) Artery
(b) Capillary
(c) Cut
(d) Window

Short Answer Questions

1. During what war time was the spraying of chemicals made more intense and more widespread?

2. ______________ is the basic process of life creation for everything from amoebae to humans.

3. Plants growing in contaminated soil may carry the contaminants into their _____________.

4. Bacteria, fungi, and algae are the smallest organisms of Earth and they live in the ________.

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

(see the answer key)

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