concept

SEM of Giardia

Diatom frustule, SEM

Phagocytosis

Desmid Micrasterias denticulata undergoing cell division

SEM of Giardia, ventral view

Ameba, SEM

Diatoms hidden inside a grain of sand, SEM

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Unicellular

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Catalogue

SEM of Giardia

Diatom frustule, SEM

Phagocytosis

Diatom frustule, SEM

SEM of Giardia, ventral view