Which of the following is true about assisted reproductive technology?
A. the ova from the mother are removed and fertilized by sperm in vivo
B. the ova from the mother are removed and fertilized by sperm in the laboratory
C. amniotic fluid from the womb is removed and fertilized by sperm in the laboratory
D. cell-free fetal DNA is taken and fertilized by sperm in the laboratory
B. the ova from the mother are removed and fertilized by sperm in the laboratory
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The Earth is estimated to be approximately __________ years old
a. 45 million b. 65 million c. 4.5 billion d. 6.5 billion
Sorcerers and witches of both sexes tend to have __________
A) very low social and economic status in their societies B) very high social and economic status in their societies C) about the same status as a shaman might have D) much more status than a shaman might have
Bergmann's rule states that average body size tends to
A. decrease at high elevations and increase in low ones. B. increase in cold climates and decrease in hot ones. C. decrease in cold climates and increase in hot ones. D. decrease at low elevations and increase in high ones. E. decrease where the air is thinner and increase where it is thicker.
Anthropology is a holistic discipline because it
A. has traditionally focused on nonindustrial societies. B. now focuses on industrial societies. C. does not attempt to make generalizations about humanity. D. deals with human culture. E. studies human biological, cultural, and linguistic variation across both time and space.