LIFE Life is unique, complex organizations of Cell and Cellular contents that show various types of functions and processes to bring the life existence. OR Life is unique, complex organization of atoms, molecules and compounds, which perform several chemical reactions for the existence of life. LIVING Passing through or going through the life processes and function due to several chemical reactions is called Living. Characteristics of living organisms 1. Individuality . Each living organism has its own unique presence, which cannot be divided further into more independent parts. E.g. a dog has its individuality from rest of the animals due it own unique Morphology (how the organism look from outside or it appears. 2. Definite shape and size . Every organism has definite shape and size which help in the recognition of the orga...