scenedesmus sp. algae under microscopic view, green algae, pattern

abstract algae background biology biotechnology cell cells chlorophyceae chloroplast colony contrast design differential drawing education experiment fauna freshwater genus graphic green interference isolation lab laboratory life light macro micro microbiology microorganisms microscope microscopic nature nucleus organism pattern phytoplankton plankton research scenedesmus school science scientific singlecelled symbol texture university view wallpaper water