Early Land Plants and Animals

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Questions and Answers

What event marked the end of the Triassic period?

  • Mass extinction (correct)
  • Evolution of earliest birds from reptile ancestors
  • Separation of Pangaea into Laurasia and Gondwanaland
  • Appearance of flowering plants

During which period did dinosaurs reach their peak in size and distribution?

  • Jurassic period
  • Triassic period
  • Cretaceous period (correct)
  • Tertiary period

What was the climate like during the Cretaceous period?

  • Warm and humid
  • Cool and dry
  • Cold and icy
  • Warm with no ice at the poles (correct)

What marked the end of the Cretaceous period?

<p>Mass extinction of dinosaurs (C)</p> Signup and view all the answers

When did the continents reach their present locations?

<p>By the end of the Cretaceous period (D)</p> Signup and view all the answers

What evolved to fill niches vacated by dinosaurs during the Tertiary period?

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

When did the first flowering plants appear?

<p>During the Cretaceous period (C)</p> Signup and view all the answers

What type of environment prevailed during the Tertiary period?

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

What marked the beginning of the Cenozoic Era?

<p>Mass extinction of dinosaurs (B)</p> Signup and view all the answers

During which period did mammals increase in size?

<p>Tertiary period (A)</p> Signup and view all the answers

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