Question

which type of selection occurs when a population experiences a shift in diversity toward the larger organisms?
○ stabilizing selection
○ directional selection
○ disruptive selection
○ adaptive selection

Explanation:

To solve this, we analyze each selection type:

• Stabilizing selection favors intermediate traits, reducing variation (not matching a shift toward larger organisms).
• Directional selection shifts the population's trait distribution toward one extreme (here, larger organisms is an extreme, so this matches).
• Disruptive selection favors two extremes, increasing variation (not a shift toward one extreme like larger organisms).
• Adaptive selection is not a standard type of natural selection (a distractor).

Answer:

B. directional selection