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    3. How do organisms that typically live in a dark environment, like those in the gut, benefit from photosynthesis?
    How do organisms that typically live in a dark environment, like those in the gut, benefit from photosynthesis?

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    0  Views: 2243 Answers: 4 Posted: 14 years ago
    Tags: micorbiology
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      4 Answers

      Not all organisms photosynthesise, only green plants. Gut organisms live on material such as hydrogen sulphide. Don't forget that until  cyanobacteria evolved about 3.5 billion years ago oxygen did not exist, and those in your gut would die if exposed to it.

      14 years ago. Rating: 5
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        So, the answer is, they don't. 

        11 years ago. Rating: 3
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          hector5559

          Yes Miss Bob ,they are not very photo-Genic,
          commented 11 years ago
          Bob/PKB

          :D Excellent, hector, excellent.
          commented 11 years ago

          I think that expsure to light would make make them grow even more.That's why they told my aunt not to sit in the sun after she had cancer. It might make minor, undeveloped cancer cells grow.

          12 years ago. Rating: 2
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            ... are you asking us to do your biology homework???

            14 years ago. Rating: 2
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              mycatsmom

              give him/ her a break. At least he's / she's trying .
              commented 12 years ago


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