structure of a euglena

algae anatomy animal biological biology cell cellular chlorophyl chloroplast diagram discoba euglena euglenaceae euglenales euglenozoa eukaryota excavata eye flagellate flagellum freshwater green laboratory micro microbe microbiology microorganism microscopical microscopy nucleus organism permanent photosynthesis phytoplankton plate protist protists protozoa protozoan rudimentary science seaweeds small stigma study tiny unicellular vacuoles vector viridis