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Posted by on Sunday, September 7, 2008 at 1:44pm.

I do not fully understand this question...

But just out of experience would you say that plants vary a little or a lot in their efficiency at producing joules for human consumption. And could you suggest reasons for the variation?

  • Science/ECology - , Sunday, September 7, 2008 at 1:49pm

    This site may help you.

    http://www.energyquest.ca.gov/story/chapter01.html

  • Science/ECology - , Sunday, September 7, 2008 at 1:53pm

    Hmmmm. Some plants produce a lot of cellulose, and humans cant digest any of that. Plants produce oils, sugars, and some protein, and humans can digest those.

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