By what age do children begin drawing basic shapes?
a. 18 months
b. 3 years
c. 2 years
d. 1 year
b
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Which age group has the highest prevalence rates for alcohol dependence?
a. adolescents b. the elderly c. young adults d. the middle aged
Which of the following facts has been viewed as good evidence that language is an adaptation?
a. Children make mistakes when learning the rules of language. b. There are brain regions specialized for language processing. c. Chimpanzees can be taught to use some manual signs to communicate. d. The human ear is poorly designed for processing speech.
One of the principal androgens, or "male" hormones, is testosterone, which is supplied in small amounts by which gland?
a. pineal b. pituitary c. adrenal d. thyroid
When light strikes a molecule of photopigment, the photoreceptor undergoes ______.
A. an action potential B. release of neurotransmitter C. depolarization D. a decrease in the release of a neurotransmitter