Question

which of the following is not a type of symbiotic relationship? metabolism parasitism mutualism commensalism

Explanation:

Symbiotic relationships include parasitism (one organism benefits at the expense of another), mutualism (both organisms benefit), and commensalism (one organism benefits and the other is unaffected). Metabolism is a set of chemical reactions in an organism for life - sustaining processes, not a symbiotic relationship.

Answer:

A. Metabolism