This graph shows both human birth weight and newborn infant mortality.The most common birth weight is between seven and eight pounds.Human birth weight seems to be an example of

Question

Quizplus · Accepted Answer

Stabilizing selection is occurring because the most common birth weight is in the middle of the range and infants with birth weights farther away from this range have higher mortality rates. This suggests that selection is acting against extreme values and favoring intermediate values, leading to a narrowing of the distribution over time.

This Graph Shows Both Human Birth Weight and Newborn Infant