scenedesmus arcuatus algae under microscopic view

alga algae biochemical biological biology biotechnology blue cell chlorophyll chlorophyta chlorophytes chloroplast contractile cyanobacteria differential euglena fauna freshwater genus green lab laboratory macro macrophotography marine micro microalgae microbiology microorganism microorganisms microscope microscopic microscopy nucleus organism pellicle physiological phytoplankton plankton pond protozoa research scenedesmus science scientific singlecelled system unicellular vacuole water