The chart below contains information about some structures found in single-celled organisms. Which biological concept is best illustrated by the information in this chart?

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

what are the awnser choices? i mean, without choices, it is an incompleat