Parasites can be protozoa, fungi, or multicellular organisms.
a. true
b. false

A) True

Parasites are organisms that derive nourishment from the other living organisms called as host. The size of the parasites vary greatly, which ranges in size from tiny, single celled organisms to worm that is visible with the naked eye.

Example: Fungi as a parasites - Endothia parasitica, Ceratocystis ulmi, Protozoa as a parasites- Entamoeba

digestion

it excretes wastes

d. groundwater flows through the subsoil and deposits minerals.