The concept of natural selection was given by

Key Points

• Darwin proposed a theory of evolution called natural selection in the year 1859. According to it those populations which are a better fit (reproductively fit) in an environment will be selected by nature and will survive more.
• Darwin conducted a sea voyage in a sailing ship called H.M.S Beagle as a part of his experiments on the theory of evolution.
• Charles Darwin concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago
• Darwin's theory of natural selection is popularly known as 'Darwinism'.
• The evolution by natural selection, in a true sense, would have started when cellular forms of life with differences in metabolic capability originated on earth.
• Darwin went to the Galapagos Islands during his journey.
• Branching descent and natural selection are the two key concepts of Darwinian Theory of Evolution
• The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called adaptive radiation.
• Darwin’s finches represent one of the best examples of adaptive radiation.

Important Points

• Charles Darwin is known as the father of ''Evolutionary Biology''.

Additional Information

• According to Lamarck, the evolution of life occurred due to the use and disuse of organs.
• Gregor Mendel proposed the law of heredity through his work on pea plants and discovered the fundamental laws of laws of inheritance. . 
• Weismann gave the theory of Continuity of Germplasm