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Published on Nov 19, 2015
Tiffany Wong - How did viruses evolved?
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1.
viruses
By:Tiffany Wong
Photo by
euthman
2.
How did viruses evolved?
Photo by
NIAID
3.
Why ?
Viruses are intresting and microscopic!!!
Photo by
Duncan Smith
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
Photo by
Comstock
5.
New Questions
Does cells have fossils ?
Why are viruses harmful ?
Which virus is the most harmful ?
Photo by
debaird™
6.
Biology CONNECTION
Cells & Viruses
Biological Scale
Cell Cycle
Adaptation
Photo by
gfinder
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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Photodisc
9.
Thank you!!!
Photo by
Teo. Gómez
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