Answer:
symbiotic
Explanation:
symbiotic relationships benefit both organisms
They replace the lost ions by active uptake through active transport
of ions from the surrounding waters. This is exhibited in freshwater fishes that
actively take in these ions through the gills. Most of the ions involved in osmoregulation in freshwater are those of Na+ and Cl-.
Answer:
i think iam not sure it is C
DNA is the molecule that contains the genetic information that is transmitted hereditary and controls the cellular functioning