Your Classmates from the University of Chicago Are Planning to Go

question 80

Multiple Choice

Your classmates from the University of Chicago are planning to go to Miami for spring break, and you are undecided about whether you should go with them. The round-trip airfare is $600, but you have a frequent-flyer coupon worth $500 that you could use to pay part of the airfare. All other costs for the vacation are exactly $900. The most you would be willing to pay for the trip is $1,400. Your only alternative use for your frequent-flyer coupon is for your trip to Atlanta two weeks after the break to attend your sister's graduation, which your parents are forcing you to attend. The Chicago-Atlanta round-trip airfare is $450. If you do not use the frequent-flyer coupon to fly to Miami, should you go to Miami?

• A)Yes, your benefit is more than your cost.
• B)No, your benefit is less than your cost.
• C)Yes, your benefit is equal to your cost.
• D)No, because there are no benefits in the trip.

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Definitions:

Gene Frequency

The ratio of a particular allele to the total of all other alleles of the same gene in a given population.

Convergent Evolution

The process where organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

Predator Mobbing

A behavior exhibited by some prey species wherein individuals collectively harass or confront a predator, often to protect offspring or to drive the predator away from the area.

Phylogeny

The study and description of the evolutionary history and relationships among species or groups of organisms.