Answer;
C. learning about the interactions and functions of living organisms
Step-by-step explanation;
-Biology involves the study of life and living organisms. It is a broad field including many branches and sub-disciplines. Biologists study structure, function, growth, evolution, distribution, identification and taxonomy, of living organisms.
-Branches of biology includes; cell biology, anatomy, botany, cytology, biochemistry, bacteriology, and ecology among others.