Which of the following statements support the hypothesis that the onset of puberty is related to nutritional state?
I. On average, puberty occurs at a younger age now than it did 200 years ago.
II. Girls with large fat stores generally enter puberty earlier than thin girls do.
III. The nutritional state of the U.S. population is much better than it was 200 years ago.
A) only I and III
B) only II and III
C) only I and II
D) only II
E) I, II, and III

Question

Quizplus · Accepted Answer

Statements I, II, and III all support the hypothesis that the onset of puberty is related to nutritional state. Statement I indicates a historical trend towards earlier puberty, which correlates with improved nutrition over time. Statement II directly links nutritional status (as indicated by fat stores) to the timing of puberty onset. Statement III provides context for why puberty might occur earlier now, suggesting that improved nutritional state over the past 200 years has contributed to this change.

Which of the Following Statements Support the Hypothesis That the Onset