OHS 2019 Chap1

De biorousso
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  • How do we know that our human story began 7 million years ago?
  • Why does only our species on the human lineage still exist and not the other ones?
  • Are there other features than anatomical ones that can be shared by two distinct species ?
  • If the common ancestor is considered as a hypothetical ancestor, how can we be sure that apes are our "cousins"?