How does ultraviolet radiation affect organisms

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Reference no: EM133984711

Questions:

  1. How does ultraviolet radiation affect organisms? What damage does it cause? Does it have any beneficial effects?
  2. What defenses against ultraviolet radiation have evolved in various different organisms
  3. What role does the ozone layer play in protecting Earth from excessive exposure to ultraviolet radiation?
  4. How have human activities influenced the amount of ultraviolet radiation that reaches the earth? How and why has this influence changed over time?

Reference no: EM133984711

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