Naturalist Charles Darwin (1872) argued that nonverbal behaviours began as _______ and then became _______.

A) physiological responses; culture-specific.
B) evolutionary adaptations; communicative.
C) physiological responses; evolutionarily adaptive.
D) species-specific; culture-specific.
E) culture-specific; physiological responses.

Answer: C) physiological responses; evolutionarily adaptive.

Psychology

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Erin is on the "5-a-day" plan. This plan¬¬¬¬ __________

a) encourages people to exercise for five minutes at least five times every day. b) encourages people to eat at least five servings of fruit and vegetables every day. c) suggests that people eat five small meals everyday instead of three large meals. d) suggests that people take five vitamins everyday instead of traditional ‘One-A-Day' vitamin.

Psychology

Most of the research on adolescents has been carried out with ________ samples

A) Black, lower-class B) Black, middle-class C) White, middle-class D) White, lower-class

Psychology