The relationship between the mite and the beetle would be an example of commensalism if the mite protects the beetle from predators. the beetle eats the mite. the beetle is unable to catch prey because it is slowed down by the mite. the beetle is neither harmed nor helped by the mite.

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.