Oxygen is produced inside plants and other organisms breathe it in. explain why it is a problem when fish do not get enough oxygen. provide some details.

It can cause Hypoxia in fish and shorten the life expectancy of the babies. It also makes birth hard for fish, since the eggs often require oxygen.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.