What is the definition of biology?

Biology - n.

The study of living organisms and their vital processes. It is the science devoted living organisms both plants and animals. The term biology has been derived from two Greek words ;bios=life, logos=thinking ,discourse or knowledge. It is divided into two main branches, botany and zoology. Biology is the area of science that studies life and its processes
Biology is a branch of science that deal with the study of life