With domestication, the husks of wild cereals became
A. more brittle.
B. darker.
C. thicker.
D. tougher.
E. None of these answers is correct.
Answer: A
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Which of the following factors does NOT lead to variation in subsistence strategies?
a. available resources b. climate of the region c. topography d. continent
The term ________ refers to a unilineal descent group whose members claim, but cannot demonstrate, common descent from an apical ancestor.
A. extended family B. lineage C. clan D. family of orientation E. family of procreation
People are most likely to believe that their ancestors play an active role in their lives in societies __________
A) where descent groups are important decision-making groups B) where mortality rates are high C) with a pastoral or food-collecting economy and nuclear-family households D) where many people live to an extremely old age
Systematic changes in activity influence the development of the human skeleton
a. True b. False