Bacteria fill many roles that benefit life on Earth. Which of the following is one of these roles?

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    They allow usable forms of nitrogen to enter the food chain.
    They decompose dead organic material.
    They live symbiotically with other organisms, often producing essential compounds for their host.
    All of the above are correct.
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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All of the above are correct.
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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