The relationship between the hermit crabs and the snails is A.commensalism
Why? Commensalism refers to a relationship where one organism benefits from the other without affecting it. In this case, the hermit crab benefits from the snails, via the latter's discarded shells. The crab's use of the snails' shells has no impact on the snails.
1.The oldest rocks are exposed in the center
Answer:
Three major forms of DNA are double stranded and connected by interactions between complementary base pairs. These are terms A-form, B-form,and Z-form DNA.
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A nail may be considered as an achiral object because it can
be superimposed when it is faced in a mirror image where in it may look exactly
the same rather than chiral when they are in a mirror image, it wouldn’t be
superimposable.
