The sickle-cell trait confers some immunity to __________
a. influenza
b. dysentery
c. malaria
d. yellow fever
c
You might also like to view...
What statement below is NOT true of kula exchanges?
a) Necklaces travel clockwise b) Men can recite long stories about their gifts c) One may trade kula goods for basic necessities d) Traders should not keep their goods for too long
Central to Darwin's ideas is the observation that __________
a. populations have limited potential for growth b. creatures within a species all tend to look the same c. nature is full of variation d. artificial selection bears no resemblance to natural selection
The human visual cortex __________
a. is smaller than we would expect for a primate brain its size b. is located in the occipital lobe c. is about 1.5 times larger than the visual cortex of a gorilla d. all of these
Anthropological studies help us trace human connectedness; for example, in exploitative eastern Congolese mines they extract coltan, which we use every day in our:
a. mobile phones b. diesel cars c. fluorescent lights d. water treatment plants