Question

what are parasites? Give one example​

Answer 1

$Answer:$

A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.

Examples of parasites include mosquitoes, mistletoe, roundworms, all viruses, ticks, and the protozoan that causes malaria.

Answer 2

Answer:

An organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.

Example:-protozoa