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This test consists of 5 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Every cell in the body is involved in the production of ___________.
(a) New life
(b) Toxins
(c) Energy
(d) Babies

2. ____________ alone have the ability to create carcinogens, which cause cancer.
(a) Human beings
(b) Insects
(c) Animals
(d) Plants

3. 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) Smelt
(c) Fiddler crab
(d) Earth worm

4. Insects are controlled by limitations on the amount of _________ available to them, a fact often overlooked by humans.
(a) Mates
(b) Air
(c) Food
(d) Disease

5. Those who enjoy _________ also lose when the fish population goes down.
(a) Surfing
(b) Touring the waterways
(c) Sport fishing
(d) Scuba diving

Short Answer Questions

1. One changed __________ can affect the entire body system.

2. The narrow ___________ is the tiniest structure in the human body.

3. Chemical residues in _______ are another source of gradual buildup of chemicals in the body.

4. Fire ants' mounds actually serve to ________ the soil, which is a good thing.

5. What is the cellular structure that contains enzymes which accomplish the work of energy production?

(see the answer keys)

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