Infectious diseases
a. affect only children and infants.
b. are associated with aging.
c. are always fatal.
d. have had no evolutionary effects on humans.
e. are caused by microorganisms such as viruses and bacteria.
E
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Subsistence strategies must change in response to changing environments
Indicate whether the statement is true or false
Acheulian sites were usually located close to _______
a. water sources b. lush vegetation c. large stocks of herbivorous animals d. all of the above
Which of the following is one of the primary differences between horticulture and agriculture?
A) Amount of capital investment B) Availability of land C) Use of human labor D) Planting of diverse crops E) Household diets
Nearly all threatened nonhuman primate species live __________
a. in developing countries b. near cities c. in Central America d. in Africa