Describe the concept of Survival of the ...

Describe the concept of Survival of the fittest.

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(i) Charles Darwin gave the theory of organic evolution by natural selection. According to him organisms which are not fit to survive in unfavourable conditions, slowly perish. Organisms that adopt themselves according to various changes are viable for existence. This explains theory of natural selection or survival of fittest.
Example: Giraffe with long neck existed as they were ableto feed themselves from taller trees.

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Survival of the fittest' was used by

Charles Darwin

Jean Baptiste Lamarck

Hugo de Vries

Herbert Spencer

Statement (S ) : The concept of survival of the fittest is central to natural selection. Reason (R ) : Individuals who posses advantageous characters to adapt to the environment have better potential for survival.

Only (S ) is true but not ( R )

Both (S ) and (R ) are true but (R ) does not explain (S )

Both (S ) and (R ) are true and (R ) is the correct explanation of (S )

Both (S ) and (R ) are not true.

The concept of survival of the fittest as advanced by -

Charles Lyell

Charles Darwin

Herbert Spencer

Alfred Russel Wallace