Multiple Choice
The _______ is an important structure for waste storage in birds and some mammals,but not in humans.
A) umbilical cord
B) yolk sac
C) placenta
D) allantois
E) amnion
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: Which statement about animal development is
Q20: A condition called anencephaly can occur when
Q21: Which feature(s)characterize(s)gastrulation in both birds and frogs?<br>A)
Q22: In placental mammals,the collection of cells that
Q24: Which conclusion can be made from the
Q26: Dense clusters of yolk are concentrated in
Q27: Some animal embryos establish axes early in
Q28: Exposure to cigarette smoke or alcohol is
Q110: Gastrulation is the stage of development<br>A) when
Q129: The somites are derived from _ tissue.<br>A)