Use the Following Information to Answer the Question

question 78

Multiple Choice

Use the following information to answer the question.
A farm pond, usually dry during winter, has plenty of water and aquatic pond life during the summer. One summer, Sarah returns to the family farm from college. Observing the pond, she is fascinated by some six-legged organisms that can crawl about on submerged surfaces or, when disturbed, seemingly "jet" through the water. Watching further, she is able to conclude that the "mystery organisms" are ambush predators, and their prey includes everything from insects to small fish and tadpoles.
If the pond organisms are larvae, rather than adults, Sarah should expect them to have all of the following structures, except ________.

• A) antennae
• B) an open circulatory system
• C) an exoskeleton of chitin
• D) sex organs

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Definitions:

Antitrust Laws

Regulations established to encourage competition by limiting monopolies, price fixing, and other practices detrimental to free market economics.

Herfindahl Index

The Herfindahl Index is a measure of market concentration, calculated by summing the squares of the market shares of all firms in the industry.

Clayton Act

A U.S. antitrust law passed in 1914, aimed at promoting competition and preventing monopolies by prohibiting certain actions that could lead to anti-competitive practices.

Antitrust Authorities

Governmental bodies responsible for enforcing laws that promote competition and regulate against monopolistic and unfair business practices.