With a date of 3.67 million years old, the fossil known as __________ would be older than __________
a. Little Foot; Lucy
b. Lucy; the Taung Child
c. Turkana Boy; Lucy
d. Lucy; Little Foot
Correct Answer: c
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Although the concept of race has no _________ basis, it still has a significant _________ impact
a. ethnic; evolutionary b. evolutionary; ethnic c. scientific; social d. social; scientific
According to Darwin, natural selection operates at the level of:
a. individuals. b. genes. c. populations. d. species.
What is the relationship between the adoption of agriculture and climate change in South America?
a. The presence of serious periodic droughts inhibited the development of agriculture. b. Periodic droughts led to the production of crops that could be stored for future shortages. c. Agriculture was adopted to minimize shortfalls in marine resources due to disruptions during El Niño years. d. The relative stability in climate in South America favored the development of agriculture and domestication. e. Persistent troughs of atmospheric high pressure caused high rainfall patterns supporting agriculture.
A unidirectional movement from the place of origin to the place of arrival is referred to as:
a. ?push-pull migration. b. bipolar migration. c. forced migration. d. transnational migration.