Question

volvox, amoeba, paramoecium, plasmodium

Answer 1

The World of Amoeba, Euglena,Paramecium, and Volvox Cells. They live in water, including lakes, ponds, streams, rivers, and puddles. They spend most of their time attached to the bottom or to plants. Amoebas are helpful when they control algae in ponds, lakes, and streams.

Answer 2

They all are microorganisms