Evolution – Notes
Origin of Life
The origin of life is interlinked with the evolution of the earth, which is linked with the evolution of the universe.
The universe is vast and comprises many galaxies and is almost 20 billion years old.
The Big Bang Theory refers to a singular huge explosion which caused the infinitesimally small, hot and dense universe to expand and then cool.
Panspermia is the oldest theory expounded by the Greeks which assumes that units of life called spores were transferred to different planets.
The theory of Spontaneous Generation believed that life came out of decaying and rotting matter such as straw and mud.
Louis Pasteur founded the theory of Biogenesis, which explains that life comes only out of pre-existing life.
The theory of Chemical Evolution, which states that the first life forms arose from non-living molecules through evolutionary forces, is now widely accepted.
Evolution of Life Forms
Most religious literature believes in the divine creation of the world.