Currently, researchers believe that speech capability developed in human ancestors by __________ years ago
a. 50,000 to 75,000
b. 100,000 to 150,000
c. 200,000 to 250,000
d. 300,000 to 400,000
b
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Eugene Dubois
A) was relieved when the scientific community immediately accepted his fossils as early humans B) never realized that he had discovered a human ancestor C) was convinced of the validity of evolution and this led him to look for fossils in the Dutch East Indies D) discovered the first skull of Sinanthropus at Zhoukoudian E) realized the validity of evolution only after finding Pithecanthropus
Which statement about music in the 21st century is true?
a. There is increasing collaboration between different art forms throughout the world. b. There is less collaboration between different art forms throughout the world. c. Within the next generation or two, all traditional forms of music will disappear. d. Music is becoming more and more expensive to produce, which may cause it to diminish in artistic value. e. Music is used more as an emotional language today than as a form of folklore and tradition.
Agricultural intensification is NOT associated with
A. increased potential for conflict. B. increased regulation of interpersonal relations. C. greater ecological diversity. D. population growth. E. deforestation.
What type of technology has dominated in the post-industrial era?
a. Information technology b. Agricultural technology c. Hydroporic farming d. Hunting and wildlife management technologies