The archaebacteria contain all of the following EXCEPT the: methanogens ricketts

Question

The archaebacteria contain all of the following EXCEPT the: methanogens rickettsia halophiles thermoacidophiles Which definition of a relationship between bacteria and other organisms is NOT correct? A parasitic bacterium is one that can cause disease in a plant or animal. A symbiotic relationship is one in which the bacterium is usually free-living but may become associated as a parasite in an animal under certain conditions. A mutualistic relationship is one in which each of the associated organisms derives benefit from the relationship. A commensalistic bacterium lives on or in another organism without doing it any harm or any good, but the bacterium derives a benefit.

Explanation / Answer

55. The archaea include all of the following EXCEPT the

ANS: B. Rickettsia.

56.Which definition of a relationship between bacteria and other organisms is NOT correct

ANS: B. A symbiotic relationship is one in which the bacterium is usually free-living, but may become associated as a parasite in an animal under certain conditions.

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