Which of the following is an element in the worldwide spread of agriculture?
a. Ability to infinitely increase carrying capacity in an area
b. Technological innovation
c. Population growth
d. Warfare
Answer: c
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What is an important basis for work organization in nonindustrial societies?
A) kinship ties B) neighborhood associations C) short-term contracts D) permanent employment
Ethical dilemmas are common in fieldwork
a. True b. False Indicate whether the statement is true or false
Racial categories in Brazil are not rigid; rather, they often change depending on the social setting.
Answer the following statement true (T) or false (F)
Which statement about communication among nonhuman primates is FALSE?
a. Gorillas use calls and facial expressions to communicate. b. Nonhuman primate call systems are inflexible. c. Nonhuman primates use closed systems of communication. d. Animal call systems are based on tradition and not genetics. e. Communication among primates is more complex than scientists used to think.