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amoeba
A paramecium and an amoeba are both protists. A mushroom is a type of fungi, which is an entirely different class of life.
A mushroom
They all need different kinds of foods or 'supplies' to keep themselves a live. -Reavis
The white button mushroom.
They are all microscopic.
fungi
mushroom
porcini
The scientific or taxonomic name would be Agaricusbisporus brunnescens.
Blue-eyed grass
They are all unicellular.