Multiple Choice
A primitive streak appears during gastrulation of
A) sea stars and humans.
B) birds and reptiles.
C) nemerteans.
D) only mammals.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q46: The cortical reaction that follows fertilization causes
Q47: Entrance of more than one sperm<br>A)is called
Q48: The effect of yolk on cleavage is
Q49: A developmental stage comprised of a hollow
Q50: The placenta develops from<br>A)fetal membranes only.<br>B)maternal tissue
Q52: Throughout the descriptions of the various major
Q53: The difference between schizocoelous and enterocoelus organisms
Q54: Which of the following is NOT characteristic
Q55: In land vertebrates,the function of the chorion
Q56: The sac that surrounds the fetus and