Question

what does biotic mean?
living
non - living
polymer - based
synthetic

Explanation:

In biology (a subfield of Natural Science), the term "biotic" refers to living or once - living components of an ecosystem. The opposite of biotic is abiotic (non - living). "Polymer - based" and "synthetic" are not related to the meaning of biotic. So the correct option is the one labeled "living".

Answer:

A. living