Question

methanogens :-. 1) have a cell wall composed of chitin 2) can be found in high temperature lakes 3) are archaebacteria 4) are cell wall less bacteria​

Answer 1

Methanogens are microorganisms that produce methane as a metabolic byproduct in hypoxic conditions. They are prokaryotic and belong to the domain of archaea. ... In marine sediments, the biological production of methane, also termed methanogenesis, is generally confined to where sulfates are depleted, below the top layers.

Explanation:

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