Phytoplankton - zooplankton- small fish -mammal This is the food chain of the organisms. From phytoplankton,which are microorganism, they are eaten by zooplankton. Zooplankton are heterotrophic planktons such as jellyfish and forams. Next to this is small fish, they eat those zooplankton. Lastly, the mammals will eat those fish.
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
