Food production was a critical step toward the broad-spectrum revolution.
Answer the following statement true (T) or false (F)
False
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In 1997, ancient DNA was extracted from one of the Neandertal bones originally found in Germany's Neandertal Valley in 1856. This was the first time the DNA of a premodern human had been recovered. When comparing this DNA with that of modern humans, the researchers found
A. 27 differences between the two, many more than would be expected in closely-related humans, suggesting that their common ancestor probably lived 600,000 years ago. B. only 5 to 8 differences between the two, as is typical of closely-related humans, placing Neandertals within modern humans' direct line of descent. C. many more mutations in the Neandertal DNA, suggesting the species had been around 100,000 years longer than previously estimated. D. no differences, demonstrating that Neandertals and modern humans are the same species. E. that the two samples were not comparable, since the Neandertal DNA was molecularly different from the DNA of the reference sample.
Which of the following was not a contribution to the discovery of ‘deep time'?
a. Boucher de Perthes's discovery of ancient axe heads and bones of extinct mammals b. Charles Lyell's book on the principles of geology c. Darwin's publication "On the Origin of Species" d. travels of Giovanni Battista Belzoni throughout England and Ireland and his knowledge of hydraulics e. Hugh Falconer's visit to Abbeville to examine evidence from French gravel pits
What is num?
a. A specialized shaman who contacts the supernatural directly b. ?A healing life-force associated with the San c. A ritual practice associated with Taoism d. An ancestral spirit-force that appears in the Ghost Dance
Weed Masters provides an annual lawn care service to its customers. Weed Masters has 350 customers and charges $750 per annual lawn service. The company offers a 4 percent discount if customers pay in full at the start of the season. If every customer pays in full at the start of the season, Weed Masters' total revenue is ________.
A) $15,500 B) $262,500 C) $10,500 D) $252,000