The "Nariokotome boy" fossil indicates that H. erectus __________
a. could grow as tall as modern humans
b. had short lower limbs
c. was thin-boned
d. all of these
Answer a
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The secular trend in growth refers to the fact that __________
a. primates all reach sexual maturity at the same age b. adolescence provides more social learning opportunities c. children in industrialized nations grow larger d. mortality rates rarely change over time
Historical linguists study similarities and differences between languages spoken today in order to make inferences about long-term linguistic change.
Answer the following statement true (T) or false (F)
Monopolistically competitive firms have some market power because ________.
A) each firm cannot set their own price B) there are no barriers to entry C) there are perfect substitutes for each firm's product D) each firm produces a differentiated product
Which of the following subsistence strategies results in the least amount of mobility?
a. foraging b. agriculture c. horticulture d. pastoralism