Global warming is slowly melting the polar ice caps and glaciers, which are made up of freshwater. marine organisms in which of the following zones of the ocean are going to be most affected by this process?

organisms that live in the deep abyss of the ocean because the fresh water is more dense then the salt water and will sink to the bottom.

organisms that live near the surface of the ocean because the freshwater is less dense then the salt water and will rise to the surface.

organisms that live in the deep abyss of the ocean because the fresh water is less dense then the salt water and will rise to the surface.

organisms that live near the surface of the ocean because the freshwater is more dense then the salt water and will sink to the bottom.