Each germ layer develops into specific structures. The nervous system develops from the ________.
A) ectoderm
B) mesoderm
C) endoderm
Correct Answer:
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Q2: After oocyte activation and completion of meiosis,
Q3: Human sex cells are called _.
A) spores
B)
Q4: If two sperm penetrate two different oocytes,
Q5: Because of the great loss of spermatozoa
Q6: Sperm cannot perform fertilization until they _.
A)
Q7: The blastodisc of the early embryo consists
Q8: The amnionic cavity is filled with fluid,
Q9: The process by which cells specialize during
Q10: The collective term for embryonic and fetal
Q11: The time spent in prenatal development is
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