The embryonic stage lasts from __________ until the eighth week of development.
A) fertilization
B) the period of the ovum
C) germination
D) implantation
Correct Answer:
Verified
Q3: Which visual capacity do infants develop first?
A)following
Q4: A primitive heart begins to beat and
Q5: The major body organs begin to form
Q6: In research with two-month-old infants, you would
Q7: When do embryos develop into males?
A)When the
Q7: An infant hears a loud noise and
Q9: In what organ does the exchange of
Q10: A researcher is recording the length of
Q11: The prenatal life support system includes the
A)amniotic
Q12: Which of the following statements about children's
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