What evidence supports the idea that A. afarensis was at least partially arboreal?
A) They had fully opposable thumbs.
B) Their arms and legs were about the same length.
C) They have two bones in their lower limb.
D) Their feet have a distinctive arch.
B) Their arms and legs were about the same length.
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This chapter offers a brief overview of kinship-related demographic changes in the United States and Canada. How have kinship arrangements changed? How do these changes relate to other cultural changes? Do you find any of the current trends surprising? If so, why?
What will be an ideal response?
You are the manager of a local flower shop and you compete with one other flower shop in your area. You estimate the cross-price elasticity of demand between your flowers and your competitor's flowers to be 2.60. If your competitor decreases the price of her flowers by 10 percent, you should expect which of the following?
A) a 2.6 percent decrease in the demand for your flowers B) a 26 percent increase in the demand for your flowers C) a 2.6 percent increase in the demand for your flowers D) a 26 percent decrease in the demand for your flowers
Watercraft are suggested at least 60,000 years ago, perhaps as people managed to get to Australia and New Guinea, which were then connected to one another in a single land mass called:
a. Sunda. b. the Aleutians. c. the Philippine archipelago. d. the Malay Peninsula. e. Sahul.
Which of the following does not apply to theories
a. Tested explanations of facts b. Usually concerned with broader and more universal views c. Not absolutes and open for falsification d. Specific statements of scientific relationships that have not been verified e. The result of repeated testing