In a bird egg, the__________ provides the watery environment in which the embryo develops.
A) amnion
B) allantois
C) yolk sac
D) chorion
E) blastocyst
Correct Answer:
Verified
Q9: The nervous system forms from the
A) endoderm.
B)
Q10: In a reptile egg, which membrane is
Q11: What is differentiation?
A) The process in which
Q12: The metamorphosis of a caterpillar into a
Q13: In placental organisms, the _of the embryo
Q15: Human embryos differ from bird embryos in
Q16: One characteristic of animal development is the
Q17: During the embryonic stage, a hollow ball
Q18: When a researcher transplanted the nucleus of
Q19: _is the developmental event that results in
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