Answer:
Charles Darwin formulated the theory of evolution by natural selection
Step-by-step explanation:
Diversity of life on earth is the consequences of evolution.The existence of life began nearly four billion years ago.At first unicellular Organism have been evolved. After that multicellular organisms have evolved after the diversity of life on earth.
The process of evolution give rise to diversity of organisms at every biological organisational level.Evolution refers to change in a species over time.
The classical genetics of charles darwin integrated with modern evolutionary mechanism.