

We enter this chain when we eat fish and the energy of phytoplankton becomes our energy.
These small plants are considered very important for the ocean and to the earth as they are a very basic and crucial factor of the food chain.
It is a very common organism in almost every type of aquatic ecosystems.
Cyanobacteria are a phylum of bacteria that obtain their energy through photosynthesis and are the only photosynthetic prokaryotes able to produce oxygen.
The scales, known as coccoliths.
They are multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.





