Chat with AIExam 12: The Origins, Evolution, and Dispersal of Modern People
A hominid fossil that has a long, low skull, projecting face and occipital bone, and large nasal aperture is likely to be classified as having _______ characteristics.
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What kinds of environmental pressures contributed to the dispersal of modern Homo sapiens around the world? What do the migrations of modern humans into Australia tell us about the range of human variation and adaptability in the past compared to the diversity we see in human populations today?
(86) VerifiedEarly modern people moved out of Africa for four important reasons: population increase, disappearance of food resources, increased competition with neighbors for remaining resources, and climate deterioration.African populations expanded rapidly during the Pleistocene, causing dramatic change in a short period of time.The genetic evidence demonstrates that the genetic information of the early fossil populations of Australia simply died out over time; none of their genetic material can be found in modern Australian aboriginal populations, though they still share cultural affiliations.The geographic biological diversity in the world today was already established by the end of the Pleistocene.This diversity is based on the biological adaptability of both early populations-Australia's and the Americas'.Australia's founding populations were adapted to tropical, wet climates, while the Americas' founding populations were adapted to cold, dry climates.These migrations indicate that the founding populations were adapted to extreme environments at the margins of human capabilities.
What symbolic behavior is evident in the archeological record and associated with Neandertals and anatomically modern humans in Europe beginning around 35,000 yBP (during the Upper Paleolithic)?
(75) Sub-Saharan Africans show the largest genetic diversity of any human population.This is likely to have resulted from the:
(78) In Atapeura 5, early archaic Homo sapiens and Neandertal specimens show heavy wear on the incisors and canines, indicating:
(87) The European archeological period that is marked by a great increase in technology and various kinds of art starting about 35,000 yBP is called the:
(89) Discuss which anatomical traits are used to contrast modern humans' physical appearance with that of similar hominids.Which are derived and which are ancestral? Are these traits biological adaptation, as in the case of Neandertals?
(85) While on an archaeological dig in Europe, you find a stone tool that is rounded on one side and has had flakes removed from the other side, giving it the appearance of a tortoise shell.This is likely to be a(n):
(80) The transition to fully modern Homo sapiens was completed globally by about:
(74) In the study of human evolution, scientists define modern in terms of:
(72) A distinctive trait of people from East Asia and the Americas is:
(74) The Middle Paleolithic prepared-core stone tools that are associated with Neandertals are called:
(74) Discuss the origin of the Neandertals in terms of biological adaptation and other forces of evolution.
(56) All fossils of archaic Homo sapiens and earlier Homo erectus show:
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