Human eye color is an example of a trait that
A) varies according to the geographical area.
B) varies periodically.
C) varies according to humidity.
D) varies continuously.
E) varies according to seasons.

Question

Quizplus · Accepted Answer

Human eye color varies continuously from light blue to dark brown. It is not determined by geographical area, humidity, or seasons. While there may be some variation in eye color within populations due to genetic differences, it is not periodic in nature.

Human Eye Color Is an Example of a Trait That