It is the atmosphere.
No. Benthic creatures live on the bottom of the ocean. Whales, which have to breath air, may dive deep to feed near the ocean bottom, but they don't live there.
No. There is water at the bottom of the ocean. There is oxygen in the water that a fish can breath in through it's gills.
They live anywhere where their family is. It's called a pod.
we live at the bottom of an ocean of air, which we know has weight.
Maritime Air Mass
Dolphins, being mammals, swim near the surface of the ocean where they can come up for air regularly.
they are used to salt water and the gills help them breathe the little air there is in the ocean
because starfish is suppose to live underwater to get some air
The fern lives in the bottom layer and it lives in the middle and top. It has to be on a tree to live in the top and middle layer .They also have a thing called" air plants " so they can live on the middle and top.And guest like the other plants they can live on the bottom on the grond.
No air to breath and the pressure would be to great.
The border between ocean and sky is called the HorizonThe ocean is the water and the sky is the air.
The bottom of the ocean is colder. The sun heats the top of the ocean first and then heats lower. In a nutshell, the top of the ocean is warmer and the deeper you go the colder.