Jenny has brown hair and blue eyes and is \(5^{\prime} 8^{\prime \prime \prime}\) tall. What is being described is Jenny's: A. genotype. B. phenotype. C. somatotype. D. physique.

To understand which term is being described, let's first define each term: - Genotype: A genotype is a set of genes responsible for specific traits or characteristics. It is the genetic makeup of an individual. - Phenotype: The phenotype is the physical expression of an individual's genotype. It is the observable characteristics or traits, such as hair color, eye color, height, and skin color. - Somatotype: Somatotype refers to an individual's body type, which is determined by the level of development and proportion of three main components: ectomorph (thin and linear), mesomorph (muscular and athletic), and endomorph (rounded and soft). - Physique: Physique is the structure, proportions, and makeup of an individual's body; it is generally used to describe the observable physical appearance.

The given description is about Jenny's physical appearance - her brown hair, blue eyes, and her height ($5^{\prime} 8^{\prime \prime \prime}$ tall).

Based on the definitions provided in Step 1, Jenny's brown hair, blue eyes, and height are her observable characteristics or traits, which makes the description related to her phenotype. So, the correct answer is: B. phenotype.