Deposition of increasing levels of yolk androgens may be a way for mothers to adjust the developmental trajectories of their offspring to current environmental conditions. In black-headed gulls, for example, this might
A) occur because chicks hatch in synchrony, and are thus highly competitive.
B) occur because chicks that hatch last are typically larger than their older siblings.
C) serve to enhance the growth and competitiveness of chicks that hatch last.
D) serve to maintain the advantages of being the last to hatch.

Question

Quizplus · Accepted Answer

Yolk androgens can enhance the growth and competitiveness of chicks, particularly those that hatch later, helping them compete with their siblings for resources.

Deposition of Increasing Levels of Yolk Androgens May Be a Way