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Our Ancestors

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  • An animal that is born from its mother´s body, not from an egg.
    Mammal
  • To become hard or firm.
    Harden
  • Who used to live on Earth 1.9 million years ago?
    The Homo Erectus
  • A black liquid, used especially for making the surfaces of roads.
    tar
  • When did the first primates appear on Earth?
    The appeared fifty-five million years ago.
  • A creature with a long soft body and no bones or legs.
    Worm
  • A type of cold blooded animal whose body is covered in scales.
    Reptil
  • A hole that you dig in the ground to put something in it.
    Pit
  • Who used to live on Earth between 2.8 to 2.5 million years ago?
    The Homo Naledi
  • Who were the first pre-humans?
    Australopithecus
  • The name of the bone of the head is: ...
    Skull
  • To move back and cover less of a place.
    Retreat
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