Mary Is a Normal and Healthy Newborn

Multiple Choice

Mary is a normal and healthy newborn. Her mother is less than 5 feet tall, while her father is 5'10". While the exact height Mary attains as an adult will depend on a variety of environmental factors including nutrition, there are high and low limits to how tall Mary can become. These limits illustrate the concept of

A) reaction range.
B) developmental pacing.
C) niche-picking.
D) nonshared environmental variation.