During the period of the embryo, the mesoderm, the middle layer of the embryonic disk, develops into the
a. muscles, circulatory system, and bones.
b. neural tube.
c. fetus.
d. umbilical cord.
A
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Erikson's theory of social development views the period from three to six years old-Erikson's third stage-as characterized by the major challenge of __________.
A. identity versus role diffusion B. industry versus inferiority C. initiative versus guilt D. autonomy versus shame and doubt
Answer the following statements true (T) or false (F)
1. Leptin resistance is associated with obesity. 2. Our evolutionary ancestors, but not present humans, preferred green vegetables to fatty foods. 3. Severely reducing caloric intake increases metabolism. 4. The human body begins making DHEA, the hormone involved in the initial onset of sexual desire, when puberty begins. 5. The hormonal basis for sexual motivation is similar for females of most mammalian species, including humans.
In an experiment with a repeated measures design _________
a. the entire experiment is done twice b. one group of subjects receives one treatment, the other group receives another treatment c. the same subjects receive both treatments d. none of these
Within the motive approach to personality, the distinction between individual and group needs is best captured in the difference between
a. intimacy motives and affiliation motives. b. the need for positive regard and the self-actualizing tendency. c. separation-individuation and merger. d. None of these answers are correct.