Suppose That a Time Machine Allows You to Go Back

question 66

Multiple Choice

Suppose that a time machine allows you to go back in time (and to travel to Australia!) , and you collect rabbits and myxoma from the years 1955 and 1980. Once you are back in the twenty-first century, you infect both sets of rabbits with both sets of myxoma viruses. The most likely result will be that (1) the rabbits from 1955 injected with the 1955 virus will have a _______ survival rate than those same rabbits injected with the 1980 virus; and that (2) the rabbits from 1955 injected with the 1980 virus will have a _______ survival rate than rabbits from 1980 injected with the 1980 virus.

• A) higher; higher
• B) lower; lower
• C) lower; higher
• D) higher; lower

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Definitions:

Trial-And-Error

A problem-solving method involving repeated, varied attempts which are continued until success, or until the agent stops trying.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus following a particular behavior increases the likelihood of that behavior being repeated.

Proximate Cause

The direct or immediate cause of an event or outcome, as opposed to more distant or ultimate causes.

Innate Behavior

Behaviors that are hardwired into an organism's biology and that an organism performs correctly the first time in response to a stimulus, without prior experience or learning.