When we say ''survival of the fittest'', does it mean that $(a)$ those which are fit only survive, or $(b)$ those that survive are called fit ? Comment.
Contribution of scientist :
$(a)$ Charles Darwin
$(b)$ Lamarck
How Biological evolution has taken place ?
Comment on the statement that ''evolution and natural selection are end result or consequence of some other processes but themselves are not processes''.
Lamarck's theory of evolution is also called