Human embryos differ from bird embryos in that
A) bird embryos undergo metamorphosis to become sexually mature adults.
B) human embryos have no yolk sac.
C) bird embryos have an extra membrane, the allantois, that is not found in human embryos.
D) human embryos have a yolk sac, but it contains very little yolk.
E) human embryos do not undergo cleavage.
Correct Answer:
Verified
Q2: The nervous system forms from the
A) ectoderm.
B)
Q3: During the embryonic stage, a hollow ball
Q4: As a morula, the embryo consists of
A)
Q5: In a reptile egg, which membrane is
Q6: In a bird egg, the provides the
Q7: One characteristic of animal development is the
Q8: When a researcher transplanted the nucleus of
Q9: Which of the following is the result
Q10: If the formation of the endoderm does
Q11: Which germ layer forms the pancreas?
A) Mesoderm
B)
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