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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 "Earth's Green Mantle".

Multiple Choice Questions

1. The Earth itself is ________ only as long as the creatures within it are.
(a) Promising
(b) Useful
(c) Clean
(d) Healthy

2. Without the Earth's ________, there could be no plants.
(a) Water
(b) Soil
(c) Light
(d) Human help

3. Only _________ have gained the ability to reserve the roles and actually change the environment they live in.
(a) Human beings
(b) Insects
(c) Animals
(d) Plants

4. In ___________ in the 1950s, the chemical that appeared in the water had actually been created spontaneously by the interaction of other chemicals present.
(a) Maine
(b) Colorado
(c) California
(d) Florida

5. Plants growing in contaminated soil may carry the contaminants into their _____________.
(a) DNA
(b) Tissues
(c) Neighbor plants
(d) Chlorophyll

Short Answer Questions

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

2. For almost every human being on the planet, synthetic pesticides are present in _______ and probably in bodily tissues from the beginning.

3. The town Carson describes _________ actually exist.

4. There is a widespread, critical shortage of ____________ across the globe.

5. What is the name of the naturally occurring mineral that is toxic to humans and most creatures but is still used as a pesticide?

(see the answer key)

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