"Graves' disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). Although a number of disorders may result in hyperthyroidism, Graves' disease is a common cause."
-https://www.mayoclinic.org/diseases-conditions/graves-disease/symptoms-causes/syc-20356240
Answer:
Efficiency is the percentage of energy actually used to perform the work.
I believe the answer you're looking for is Archaea-bacteria.
