Phytoplankton Food Chain In The Ocean. Sometimes the diameter of the phytoplankton is more than 3 mm. They use sunlight and nutrients to make food by photosynthesis.
Figure below shows a marine food chain. Importance of phytoplankton the food web. Fish and whales eat phytoplankton for energy and then we eat.
The foundation of the sea's food chain is largely invisible.
Phytoplankton form the basis of life in the ocean. Phytoplankton, described as the 'fuel' on which marine ecosystems run. Are the producers of the ocean food chain. In a balanced ecosystem, they provide food for a wide range of sea creatures.