Because freezing will often burst the cell walls and destroy tissue. The crystals of ice are very sharp and hard to control AFAIK. Note what happens to a banana or many types of fruit after you dethaw — it becomes all mushy and not of the same structure, fiber and cell form as before, like a bad beam up in Star Trek.
How would low tide most likely negatively affect the abundance of aquatic organisms?
:Low tide exposes aquatic organisms to air for extended periods of time.
Hope my answer helped!
To be sure, all cells have a plasma, membrane, ribosomes, cytoplasm, and DNA.