Paleozoic Era: Early and Middle Periods
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Questions and Answers

What type of trees were present by the end of the era?

  • Broad-leaved trees
  • Palm trees
  • Cone-bearing trees (pines & cycads) (correct)
  • Ferns and mosses

    • What event marked the end of the Cretaceous period?

  • Tectonic plate movement
  • Climate change
  • Volcanic eruption
  • Large meteorite impact (correct)

    • Where did marsupials originate and migrate to?

  • North America to Europe
  • Antarctica to Australia
  • South America to Australia (correct)
  • Africa to Asia

    • When did humans first appear?

    <p>6000 million years ago in Africa</p> Signup and view all the answers

    What caused the climate to cool into an ice age during the Pleistocene Epoch?

    <p>Shift in Earth's orbit</p> Signup and view all the answers

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