The period of the embryo begins at _____ and ends with _____, which takes about _____

a) conception; birth; nine months
b) the first trimester; implantation into the uterine wall; twelve weeks
c) week 3; formation of bone cells; six weeks
d) organogenesis; ossification; one trimester

Answer: c

Psychology

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Friends endorse and should agree with friends' statements at all times

a. True b. False

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Suppose you observe a baby sitting in front of a mirror. You now place a dot of rouge on the baby's nose. You see the baby look at the mirror, and then he crawls around the mirror to find the baby on the other side

Your best guess is that this baby is about how old? a. about 6 months of age b. about 12 months of age c. about 18 months of age d. 24 months of age

Psychology