Which part of a fish detects vibrations
and temperature changes?

For each fish's skin surface, a row of unique cells is contained inside a particular canal that runs the length of its body. This is referred to as the "lateral line," because it enables them to sense vibrations in the water. Fish are able to notice activity around them as well as changes in the flow of water thanks to their sixth sense.

Explanation:

Hope it helps:)

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic