An embryo is directly nourished by root-like extensions from the
a. amnion.
b. chorion.
c. blastula.
d. zygote.
b
Psychology
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Menarche occurs between the ages of ______ for the average American girl
a. 8 and 9 c. 12 and 13 b. 10 and 11 d. 14 and 15
Psychology
Which of the following is TRUE about the relationship between infant and adult heights?
a. There is no relationship between height as an infant and height as an adult. b. There is an almost perfect relationship between height as an infant and height as an adult. c. Long infants always grow up to be tall adults. d. There may be a relationship between an infant's height and their height as an adult.
Psychology