During development, the _______ is an important structure for waste storage in birds and some mammals, but not in humans.
A) allantois
B) yolk sac
C) placenta
D) umbilical cord
E) amnion

Question

Quizplus · Accepted Answer

The allantois is a key structure for waste storage during the development of birds and some mammals, serving as a way to manage metabolic waste products. In humans, the allantois is present during early development but its role is significantly reduced compared to other species, as it becomes part of the umbilical cord and the urinary bladder.

During Development, the _______ Is an Important Structure for Waste