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Neanderthals are recognizably human but have distinctive facial features and a stocky build that were evolutionary adaptations to cold, dry environments. They shared Europe for 10,000 years with Homo sapiens. Today they no longer exist. Beyond these facts the fate of Neanderthals has generated much debate. Why did Neanderthals become extinct? State at least four major factors to explain their fate.
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- Neanderthals are recognizably human but have distinctive facial features and a stocky build that were evolutionary adaptations to cold, dry environments. They shared Europe for 10,000 years with Homo sapiens. Today they no longer exist. Beyond these facts the fate of Neanderthal has generated much debate. Why did Neanderthals become extinct? State at least two major factors to explain their fate.Neanderthals are recognizably human but have distinctive facial features and a stocky build that were evolutionary adaptations to cold, dry environments. They shared Europe for 10,000 years with Homo sapiens. Today they no longer exist. Beyond these facts the fate of Neanderthals has generated much debate. Why did Neanderthalsbecome extinct? State at least two major factors toexplain their fate.Choose true or false for each of the following statements: A. Neanderthal DNA shows that they share a number of modern human traits, and likely interbred with human populations leaving Africa as they moved through Southwest Asia. B. The fate of the Neanderthals is clear from fossil and artifactual evidence - they simply died out about 27 000 years ago. C. Platyrrhines differ from catarrhines in the following ways: they have three premolars instead of two, they are found in Central and South America, and they have prehensile tails, feet, and hands. D. The Harvard Medical School bacteria video demonstrated the principles of gene flow and genetic drift. E.
- Neanderthals DNA and behaviors show uS the ways in which they adapted to their environment over Europe, the Near East and Western Asia. Decoding Neanderthals discusses why Neanderthals went extinct. Which do you think best explains their extinction, and why?One of the main characteristics that defines the hominin tribe are their bipedal tendencies. However, as you have noted in reading for this week's assignments, not all hominins had the same bipedal capabilities. Early hominins can be defined as being at various stages of transitioning into bipedalism while later forms are obligate bipeds. At the same time there are many other things that we can explore that relate to hominins. Often times there are new discoveries that are made and those discoveries make the news. For this discussion board, I would like you to share a news article that specifically deals with hominins. The news article can be up to 10 years old. Make sure you do the following for points. Note: Make sure that the news that you read only deals with one of the following genera - Sahelanthropus, Ardipithecus, Australopithecus. Give a brief summary of what you read. In one short paragraph tell the class what the news was about. Include the following points. Name…One of the main characteristics that defines the hominin tribe are their bipedal tendencies. However, as you have noted in reading for this week's assignments, not all hominins had the same bipedal capabilities. Early hominins can be defined as being at various stages of transitioning into bipedalism while later forms are obligate bipeds. At the same time there are many other things that we can explore that relate to hominins. Often times there are new discoveries that are made and those discoveries make the news.I would like you to share a news article that specifically deals with hominins. The news article can be up to 10 years old. Make sure you do the following for points. Note: Make sure that the news that you read only deals with one of the following genera - Sahelanthropus, Ardipithecus, Australopithecus. Give a brief summary of what you read. In one short paragraph tell the class what the news was about. Include the following points. Name the species in question. Where…
- Some scientists suggest that the Neanderthals and possibly Denisovans, never went extinct, but instead where assimilated into Homo Sapiens. What evidence would you look for to support this hypothesis?In what order of descent did the species of Homo overtake one another? What was discovered in the caves at Atapuerca, in northern Spain and what does this say about archaic Homo sapiens (Homo heidelbergensis in this case)? What is “Excalibur” and what did it signify (Maybe)? In what ways did our ideas about Neanderthals change as the 20th century proceeds? What recent discovery in the Meuse Valley, Belgium, helped to refine our views of Neanderthals? What kind of research is going at the Max Planck Institute in Leipzig, Germany, regarding evolutionary studies? Why are children’s teeth so valuable to archaeologists? Why was hunting such a risky business for Neanderthals? Why did Neanderthals go extinct about 25,000 years ago? (Note, since this film was made our ideas about this have changed as you will see in next week's film.) What is “the bottleneck effect”?Paleoanthropologists generally agree that Homo erectus belongs in our genus and represents a significant shift towards adaptations important to our own species. However, there is much variation among specimens that are grouped into H. erectus. Your instructor will let you know which of these fossil representatives to use for the exercise today.Based on your measurements and comparisons in the table above, what are major differences among Au. africanus, H. habilis, and H. erectus? Do you think H. habilis is more like Australopithecus or Homo? How do these three species reflect the major environmental pressures of the time periods in which they lived, respectively? List three features that are changing in the genus Homo due to these selective pressures. List three features found in H. erectus that are derived, compared to Au. africanus.
- According to "The Life and Death of a Neanderthal (Shanidar 1)”, What does it say about his community? A.There’s no way he could have survived these injuries on his own. Homo sapiens must have cared for him because they were the only species that had any medical knowledge. B.There’s no way he could have survived these injuries on his own. Other Neanderthals must have cared for him, brought him food, possibly amputated his arm so that he could live. C.Nandy survived with these injuries on his own because his entire community was killed and Nandy lived alone. D.Nandy survived with these injuries on his own because his community did not take care of each other.What makes Neanderthals so important to paleoanthropology? How are they similar to humans, and how are they different (culturally, morphologically). What happened to them (Assimilation model).a- Tiktaalik is a fish that lived 375 million years ago that grew to three metres long and had aquatic features mixed with others more suited to life on land. The fossils of five Tiktaalik specimens reveal that the animals had a large, robust pelvic girdle, a prominent hip joint, and long hind fins. The powerful fins could have propelled the beast in the water, but also helped it walk on riverbeds, or scramble around on mudflats. It is believed that Tiktaalik evolved into four-legged land animals. The scientists have yet to find a Tiktaalik hind fin bone, or any remains that might shed light on the origins of toes. A picture of Tiktaalik is available at https://www.npr.org/2010/07/05/127937070/the-human-edge-finding-our-inner-fish Describe how Darwin would explain that evolution of hind legs (of land animals) actually began as enhanced hind fins (of Tiktaalik), referring to his relevant observations and inferences (History of Evolutionary Thought). Indicate where the observations and…