nostoc sp. blue-green algae under microscopic view, cyanobacteria

algae aquatic background bacteria basins biology blue cell chinese chlorophyll chloroplast cuisine cyanobacteria cyanobacterium dinner dish education feast flagelliforme green illustration jelly laboratory light macro meal micro microbiology microscope microscopic microscopy natural nature nostoc organism phenomenon photosynthesis phytoplankton plankton pond prokaryotes protozoa research science scientific seafood southeast traditional vegetative water