Question

_______ organisms maintain homeostasis by having organs and organ systems.

A. Unicellular
B. Multicellular
C. both a and b
D. none of the above

Answer 1

The answer to this is multicellular. Unicellular organisms' life processes all take place in the one cell which is their entire being - their entire existence - whereas multicellular organisms require specialized organs and organ systems to keep us alive.

Answer.
B. Multicellular