Compared with our distant Australopithecus ancestors, what was the principal difference that slowly evolved to the current Homo sapiens?
a. The brain became bigger
b. They became hunter-gatherers
c. They started eating a “Paleo” diet
d. b and c
e. They started organized agriculture
a;
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Orange, happily, carpet, and hit are examples of
a. content words. b. function words. c. affixes. d. prosody. e. contextual words.
Reflexes can help parents comfort a baby because they
A) are permanent, natural responses to stimulation. B) remind the infant of its life in the womb. C) reduce crying and promote sleep. D) permit infants to control distress and amount of stimulation.
The easy availability of drugs in a teenager's neighborhood is what type of risk factor?
A) Psychological B) Social C) Familial D) Contextual
According to your textbook, which of the following is NOT a safe sexual behavior?
a. discussing contraception and your partner's sexual health prior to having sex b. having sex only with people who are asymptomatic c. not engaging in sex while intoxicated d. not engaging in sex