Answer :

Xhade
in the unicellular organisms organelles must have to work properly to maintain homeostasis ..
in developed organisms whole systems have to work properly to maintain homeostasis but in unicellular organisms as no system is present so just organelles are responsible..

Answer: For unicellular organisms the organelles of the cell has to function properly to maintain homeostasis in the body. Unicellular organisms do not have a complex body that each and every function of the body has to performed by the specific cells of the body.

Example: Vacuoles in amoeba play a significant role by maintaining the temperature of the body in Amoeba.