Organism

protozoa

protist

freshwater

microorganism

microbes

microbe

amoeba

dileptus

euglena

paramecium

ciliate

algae

pond

marine

benthic

ionic

microbiology

biology

cell

cell biology

microscope

microscopy

lens

objective

eyepiece

amscope

plan objective

wastewater treatment

environmental biology

biotechnology

science

wildlife

life

macro

single-celled organism

ludovico einaudi