Answer:
b. absence of peptidoglycans in the cell walls of archaea.
Explanation:
<em>Archaea is a domain of unicellular organism (procaryotes) that live in extreme environments, their cell walls are made of pseudo peptidoglycan (similar in function to peptidoglycans but different in structure), </em>on the other hand, bacteria's cell walls are made of peptidoglycan and lipopolysaccharide.
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Orion is named after a figure from greek myth, a son of Poseidon.
Because they can make a baby with their oranism
