There are basically Three ways used:
Well, ocean creatures have gills and breathe in water.
Yes. Kit Fisto's species, the Nautolans, are amphibian-like creatures (they can breathe above and under water)
They use their gills to breathe under water.
Kelp and other producers need it to grow.
Gills, as opposed to lungs, can filter out oxygen from water. And oxygen is something most creatures need to stay alive.
squirres can't breathe under water.
No, water is a chemical in which most of all living creatures want water. If there is water there in living creatures. Water is a thing in which we, Humans need it.
A shellfish will breathe under water by using tubes that are called siphons. These bring water into the animal and then push out the water that is carrying waste.
It can get in they're eyes, noses, lungs, they'll drink it.
They do not breathe underwater. They hold their breath under the water and surface to breathe.
Squirrels cannot breathe under water.
Scorpions can breathe under water, False. Scorpions cannot breathe under water but they can however hold their breath for up to 6 days