State whether the following statement is True or False:
Oxygen is necessary for life for most organisms in the process of respiration,but some forms of life,especially bacteria,are poisoned by elemental oxygen.

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(TRUE) The statement is True.
While oxygen is essential for aerobic respiration in most living organisms,there are specific groups of microorganisms known as obligate anaerobes (such as certain bacteria like $Clostridium$ species) for which elemental oxygen is toxic and can be lethal.

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