Biology developed as science of life in 19 century.
It is the study with microscopes.
Basically, biology is about chemistry and physics.
Robert Hooke published a book called Macographia in 1695.
This was the first book published by the royal society.
Schwamm and Jakob proposed that the cell is the basic structure of the living organism.
Cell unifies the animals and plants.
Cell is used for breathing, energy production.
When a cell divides it gives two different cells.
Nucleus also divides into two different nuclei.
Before the nucleus divides, small rod shaped particles called chromosomes are formed.
The nucleus from egg and the sperm combines to give a new nuclei.
There are 46 chromosomes in the human body.
Mendel describes the principle of dominance as one characteristic pass