Answer:
the organism was moving using flagella.
Step-by-step explanation:
Flagella is a locomotory structure that is found in most protozoan. The organisms for kingdom proctista dwell in ponds and streams. Under a light-compouund microscope, they can be observed to be moving.
In addition, there are other locomotory structures including cilia for Paramecium, pseudopodia for Amoeba, flagellum for Euglena and undulating membrane for Trypanosome.