Biology

Biology, 28.06.2019 00:00, brandytyler317fries

Modern human traits including increasing brain size and dependence on material culture first show up in:

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Biology, 12.07.2019 19:30, kuddlebugsmommy

Which is the most correct definition of anthropology? it is the study of modern human cultures it is the study of how human evolution contributed to modern culture it is the study of ancient human culture, comparing it to modern human culture it is the study of humans, focusing on the differences and similarities in human populations?

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Biology, 26.07.2019 14:30, sweetgigi2364

Homo naledi, recently discovered in south africa, has a sagittal keel, large browridge, thick cranial bones, and reduced tooth size. the brain size is small, close to 500cc. where might this new species fit in the larger pattern of human evolution in africa? a. h. naledi sits comfortably at the juncture of australopithecus and early homo, since all of its traits seem intermediate between the two. b. h. naledi demonstrates the exact mix of traits expected for a new homo fossil of this time period and this region. c. h. naledi has several traits that do not fit with the genus homo, including its large browridge and thick cranial bones; however, it must be homo because it is securely dated to 1 mya. d. h. naledi seems most likely a member of the genus homo; however, its small brain size is regarded as a primitive hominin trait more reminiscent of the australopithecines.

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Biology, 25.08.2019 15:10, dbegay36

Which explanation is most likely the reason for the evolution of a larger brain in humans? the size of the human brain increases the more it is used. a larger brain allows humans to solve complex problems. the size of the human brain has changed randomly over time due to mutations. a large brain increases humans’ ability to fight and survive disease.

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Biology, 28.08.2019 17:30, dtgwrth4150

Why is it thought that advances such as agriculture, literacy, and urbanization have not been accompanied by additional increases in brain size? a. ? the earliest homo sapiens were as intelligent as contemporary humans. b. ? although brain size has remained constant, brain density has increased. c. ? more efficient neuronal connections account for modern human advancements. d. ? the physiological cost of a bigger brain exceeds its benefit?

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