Ключевые слова: algae, aquarium, aquatic, bacillariophyta, biology, biotechnology, cell, charophyte, chlorophyll, green algae, hobby, interference, laboratory, light microscope, macro, marine algae, micro algae, microalgae, microbe, microbiology, micrograph, microorganism, microscope, microscopic, microscopy, nature, observation, phytoplankton, plankton, protozoa, reproduction, research, selective focus, species, under microscope, unicellular organism, wildlife,