OHS 2019 Chap3

De biorousso
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  • Why is it so important to study Australopithecus in the field of Human evolution?
  • Why almost all the discovered fossils are in Africa?
  • How is it possible to know, thanks to only one bone or some fragments of skull, whether it's a new species or an individual of an already known species?
  • With fossils, how do we make the difference between two individuals of two different species and two individuals of the same species but with different anatomical features?
  • Why did we find more fossils and more complete fossils of Au. afarensis than other Australopithecus?
  • How do you define that all the species mentioned in this chapter belong to the genus Australopithecus? Does Kenyanthropus platyops belong to the Australopithecus genus or not?
  • Why did sexual dismorphism decreased during evolution?
  • Why did the brow bridge "disappear" over time?
  • Why is there a strong focus on teeth evolution? Can we consider that they evolve in a relatively fast manner?
  • Why are tools important? How do they help with survival?
  • Is the evolution of teeth related to the use of tools?
  • How are we sure that the skeletons were recomposed correctly?