Petroleum pollution in the oceans has been reduced via the use of 'double-hulled' tankers.

The maximum sustainable yield is the maximum amount of fish biomass that can be removed yearly from a stock and still allow the population to be sustained indefinitely.

Bioaccumulation is a process where a marine organism preferentially take in a pollutant into their tissue at a higher concentration than exists in the ocean.

Fertilizer runoff from the central United States is not responsible for the Hypoxia Zone on the south coast of Louisiana.

Nectkon are ocean animals that crawl across the ocean floor.

Plastics are the primary solid pollutant in the ocean because of their non-biodegradable character.

Sewage sludge contains both bacterial and chemical pollutants.

The majority of lab-based pollutants found in the ocean is plastic.

DDT and PCBs are not considered to be persistent organic pollutants.

Presently, the cities of New York and Philadephia, Pennsylvania dump their sewage sludge offshore into the Atlantic Ocean.