Comparing different societies in terms of average number of hours in a day that people spend working, we find
A) that the length of the workday is much the same in every society.
B) that the workday has become shorter in industrial societies.
C) that members of many hunting-and-gathering bands work only three to five hours a day.
D) that the societies with the shortest workday are pastoral.
E) none of the above.
Question 2
A critical factor in the adaptation of modern hunter-gatherers to resource fluctuation is the rule of reciprocity.
Indicate whether the statement is true or false
Part A - Calculating the expected number of each phenotype
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