Create a diagram, chart, or illustration in which you depict the flow of energy in marine ecosystems. You may use either a web format in which food chains are included or a biomass pyramid format. The assignment must include the following:

• Title Page
• Diagram, chart, or illustration of a web format or biomass pyramid
• Description of primary productivity
• Description of a method used to measure the amount of primary productivity
• Description of how primary productivity affects the color of the ocean
• List of the factors that cause regional primary productivity to vary among polar, tropical, and temperate oceans
• Description of how the selected web or biomass is affected by overfishing