When Yizhou Got a Rash on His Arm, His Mother

question 132

Multiple Choice

When Yizhou got a rash on his arm, his mother suggested he rub an anti-itch cream on it. Since the cream got rid of his skin irritation, Yizhou now applies it whenever he gets a rash. This is BEST described as an example of:

• A) positive reinforcement.
• B) negative reinforcement.
• C) positive punishment.
• D) negative punishment.

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Definitions:

Flagella

Long, lash-like appendages that protrude from the cell body of certain cells and are used for locomotion.

Cell Movement

The ability of cells to locomote or change position, often critical for processes such as development, wound healing, and the immune response.

Biology

The scientific study of life and living organisms, including their structure, function, growth, evolution, and distribution.

Natural Selection

The mechanism of evolution proposed by Charles Darwin; the tendency of organisms that have favorable adaptations to their environment to survive and become the parents of the next generation. Evolution occurs when natural selection results in changes in allele frequencies in a population. Compare with artificial selection.