A Parasite is an Organism That

Question

A parasite is an organism that
A)lives on another organism.
B)derives its nutrients from another living organism.
C)causes damage to another living organism.
D)uses a host as a source of nutrients but doesn't kill it.
E)all of the above.

Accepted Answer

All of the choices (A, B, C, and D) describe characteristics of a parasite. It lives on or within another organism, derives its nutrients from the host, can cause damage to the host, and may or may not kill the host. Therefore, the best choice is E -- all of the above.