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viruses

Published on Nov 19, 2015

Tiffany Wong - How did viruses evolved?

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1.

viruses

By:Tiffany Wong 
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2.

How did viruses evolved? 

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3.

Why ?

Viruses are intresting and microscopic!!!
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4.

Answers/Hypothesis

  • DNA stuck around in cells' genomes
  • Viruses evolved by changes in their DNA
  • Viruses evolved from free-living cells 
  • DNA became independent 
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5.

New Questions

  • Does cells have fossils ?
  • Why are viruses harmful ?
  • Which virus is the most harmful ?
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6.

Biology CONNECTION

  • Cells & Viruses
  • Biological Scale 
  • Cell Cycle
  • Adaptation 
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7.

how did viruses evolved?

  • The DNA became independent.
  • Viruses evolved by changes in their DNA.
  • Viruses evolved from free-living cells.
  • There is no specific answers they are all hypothesis.
8.

questions?

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9.

Thank you!!!

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