filamentous algae under microscopic view

alga algae aquatic biology cell centric chlorophyll chloroplast climate cyanobacteria cytoplasm diatom environment filament filamentous green laboratory macro marine micro microbe microbiology microorganism microscope microscopic microscopy natural nature nucleus ocean organism photosynthetic plankton plastid pond problem protist protozoa science sea seaweed spirogyra structure surface undersea underwater view wall water