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 (B)</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 (D)</p> Signup and view all the answers

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