DSST Anthropology as a Discipline 2

Your answer explanation various dating methods have

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Your Answer: Explanation Various dating methods have been used and are used today, and while there is some variance in the results from these methods, nearly all of them provide evidence for a very old Earth and for evolution. Question 45 of 55 The geologist sees Relative Time where two or more events are compared without any numerical reference. Your Answer: Explanation Relative time is where an event is compared in time relative to another event, as opposed to absolute time, where a specific date and time is specified. For example--the Beatles first performed in the United States during the presidency of Lyndon B. Johnson; or January precedes February. Question 46 of 55 Absolute time is measured in some unit (seconds, minutes, hours or years) from some starting point going either forward or backwards. Your Answer: Explanation Examples: this is 2003 A.D.; Herodotus studied deltas in Egypt about 420 B.C.; this lecture started l5 minutes ago. Question 47 of 55 The difference between geologic time and the examples given from every day life is the length of time involved. Your Answer: Explanation Geologic time is vast, with immense and variable blocks in each relative unit, and very large numbers of years in absolute measurements.
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Question 48 of 55 Homonoids were ancestors to modern gorillas, chimpanzees, orangutans and humans who diverged 30 million years ago from monkeys. Your Answer: Explanation Homonoid characteristics include: large, strong jaw, large brain and partially erect posture. Question 49 of 55 Homonids (human -like primates) diverged from the other homonoids 4-5 million years ago. Your Answer: Explanation Homonid characteristics include: large, complex brain with a dominant cerebrum, erect posture, tool-using capabilities, strong community organization. Question 50 of 55 The first homonids belong to the Australopithecus genus. The Oldest known homonid: Lucy, was found in Ethiopia, whose remains are over 3 million years old. Your Answer: Explanation Lucy's brain was only 400 cc, compared to 1350 cc. for typical human. Question 51 of 55 Only three species of humans have lived on earth, and only one of these species is alive today. Homo habilis--the earliest distinctly human species, appeared almost 2 million years ago in Africa. Your Answer: Explanation Brain sizes 775 cc, and a tool maker and user. The name means "handy man". This species lived about 500,000 years, then went extinct. Question 52 of 55
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Homo Erectus evolved around 1.5 million years ago, and lasted about a million years before becoming extinct . Your Answer: Explanation Brain size around 1000 cc, homo erectus was a social species that hunted and used fire to cook. Remains have been found in Africa, Europe and Asia. Homo sapiens (modern humans) evolved in Africa about 500,000 years ago.
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