The body's first shield from foreign invaders is
A) the skin.
B) antigens.
C) pathogens.
D) white blood cells.
Answer: A
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We rely on simple learning processes such as habituation to help:
a. form new behaviors from experience b. notice the new and unusual c. conserve our limited resources d. form connections between events
The bioecological approach is most closely associated with
A) Ivan Pavlov. B) Urie Bronfenbrenner. C) Erik Erikson. D) B. F. Skinner.
The strength of a correlation between two variables is referred to as
A) its negative coefficient. B) its positive coefficient. C) its causation. D) its magnitude.
One key difference between formal operational thought and concrete operational thought is that formal operational thinkers
A. show more centration. B. can apply thoughts to real objects. C. can solve conservation tasks. D. can think about hypotheticals.