In Wetlands, Beggiatoa Bacteria Oxidize H₂S for Energy

question 52

Multiple Choice

In wetlands, Beggiatoa bacteria oxidize H₂S for energy. Removal of H₂S enables growth of other microbes for which H₂S is toxic. However, Beggiatoa derives no benefit from these microbes. This interaction is an example of:

• A) syntrophy
• B) mutualism
• C) commensalism
• D) amensalism
• E) synergism

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