The answer is; Dead Zone
These areas have anoxic condition means they have very little to zero dissolved oxygen hence cannot support marine/aquatic life. This is as a result of eutrophication caused by algae blooms. This phenomenon is brought about by pollution of these water reservoirs. These algae bloom take up all the oxygen in the water during their mass decomposgion hence leave no dissolved oxygen for the rest of the marine life.
is there a picture near the question?
They help with storing "food" in fruits and foods to make them edible for us people.
Energy comes from making bonds in carbon dioxide and water.
Mutuaism
because they both benift from each other
