Homeostasis refer to the metabolic balance being maintained by several processes. It may include having a stable internal physiologic condition such as the blood ph or body temperature. Among the options, the best answer would be c. the villi of the small intestine would increase the absorption of nutrients from small intestine to the blood.
Essentially, multicellular organisms are made up of more than one cell. As such, they are different from unicellular (single celled) organisms that only consist of a single cell. Like unicellular organisms, there are a wide range of plant and animal multicellular organisms in existence.
I took the test on Plato and got it correct. The answer is engineers.