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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 15 "Nature Fights Back".

Multiple Choice Questions

1. What group of substances includes insecticides and pesticides?
(a) Toxic chemicals
(b) Necessary evils
(c) Helpful mixtures
(d) Organic cleaners

2. Farms and orchards do NOT include these trees, in Carson's description.
(a) Birch
(b) Maple
(c) Palm
(d) Pine

3. What is the name of the chemical that changes form once it enters the environment, becoming another more deadly chemical?
(a) Bromide
(b) DDT
(c) HCl
(d) Heptachlor

4. _____________ is not the only source of chemical contamination in the world.
(a) Trash
(b) Nuclear power
(c) Mass spraying
(d) Acid rain

5. What kind of creature plays a vital role as a source for food, as well as being an aerator, a scavenger, and a source of bait?
(a) Round worm
(b) Fiddler crab
(c) Earth worm
(d) Smelt

Short Answer Questions

1. _______________ can be much more effective at controlling budworm.

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

3. The limits the government has established regarding chemical levels in foods are __________.

4. ________ are genetically adapting to the chemicals we use to control them.

5. What did the earthworms dine on that infected them with DDT?

(see the answer key)

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