Which of the Following Cannot Be Explained Well Without R-O

question 34

Multiple Choice

Which of the following cannot be explained well without R-O mechanisms?

• A)A rat decreases lever-pressing for food when presented with a CS for footshock, but increases pressing when a CS signaling access to food is presented.
• B)A rat decreases rod-pushing for food when presented with a CS that signals the end of access to food, but increases pushing when a CS signaling access to sugar water is presented.
• C)A rat decreases licking a grape-flavored solution after that solution was paired with illness, but continues to lick a strawberry-flavored solution.
• D)A rat decreases pushing a bar to the right for food after that food was paired with illness, but continues to push the bar to the left for water.

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Definitions:

Symbolic Systems

Complex sets of symbols and rules for combining them that are used for communication, thinking, and cultural representation.

Natural Selection

The evolutionary process by which organisms better adapted to their environment tend to survive and produce more offspring.

Behavioral Phenotypes

Observable characteristics or behaviors that result from the interaction of genotype and environment.

Canalized

A process by which the genetic development of an organism is guided by the environment so that a certain phenotype is produced regardless of variability in the environment or genetics.