Photo-Autotrophs (Plants) Every species in the sea's food chain needs organic carbon to survive, and these tiny organisms produce it all, as plants do on land. Phytoplankton tap energy from the sun to fuel the entire ocean ecosystem.
Photo-Autotrophs (Plants)Every species in the sea's food chain needs organic carbon to survive, and these tinyorganisms produce it all, as plants do on land. Phytoplankton tap energy from the sun to fuelthe entire ocean ecosystem.