Multiple Choice
A fish embryo forms a yolk sac that
A) is made of the same germ layers as the yolk sac in a chick embryo.
B) is vascularized,similar to the yolk sac of a chick embryo.
C) is constructed of ectoderm and mesoderm.
D) is similar in origin to the yolk sac in mammals.
E) surrounds the body of the embryo.
Correct Answer:
Verified
Correct Answer:
Verified
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