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Our Beginnings: Human Evolution

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  • If you study fossils, what type of scientist are you?
    Paleontologist
  • What does bipedal mean?
    The ability to walk upright on two legs.
  • Put the following hominid groups in order from the earliest to the most recent: Homo group, Australopithecus group, Paranthropus group, Ardipithecus group.
    Ardipithecus group, Australopithecus group, Paranthropus group, Homo group
  • Describe one advantageous trait of this animal.
    A giraffe's long neck is an advantageous trait. It allows the animal to reach food from high in the trees.
  • From which continent did all humans originate?
    Africa
  • If a species does not adapt to a changing environment, what will probably happen to it?
    It will probably go extinct.
  • Approximately how long ago did our earliest human ancestor live?
    Between 7- 6 million years ago.
  • When did Homo sapiens first appear?
    About 200,000 years ago.
  • What order of mammals do we belong to?
    Primates
  • What is the key trait of all hominids?
    Walking upright on two legs (bipedal)
  • What is a scientific theory?
    An idea/explanation that is supported by repeated tests and evidence.
  • Who is this and what is he known for?
    Charles Darwin. He established the modern theory of evolution/survival of the fittest/natural selection.
  • What is natural selection/survival of the fittest?
    Process by which individuals that are better suited to their environment (those with advantageous traits) survive and reproduce most successfully.
  • Name the naturalist who established the modern theory of evolution.
    Charles Darwin
  • Describe some advantageous traits to avoid getting eaten by a predator?
    long legs to run fast, stripes, camouflage, etc
  • What species is our oldest ancestor - Homo habilis, Australopithecus afarensis, Sahelanthropus tchadensis, or Homo sapiens?
    Sahelanthropus tchadensis