Homosexual behavior has been observed ________
a. only in humans and other primates
b. only in humans
c. in humans, primates, mammals, and even in birds
d. only in humans and other mammals
Answer: c
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Being overweight or obese in childhood is related to an increased risk of which disease in adulthood?
a. asthma b. cancer c. coronary heart disease d. hepatitis
Nicotine is a(n) ____, whereas marijuana is a(n) ____
a. ?depressant; opiate b. ?stimulant; hallucinogen c. ?hallucinogen; depressant d. ?opiate; stimulant
Which factor is considered a medical condition predating pregnancy?
A. being married B. the number of previous pregnancies being 1 C. having diseases such as diabetes and chronic hypertension D. age of onset of menstruation
What other term is sometimes used to describe a spontaneous abortion?
A. infertility B. insemination C. stillbirth D. miscarriage