Contribution of scientist :
$(a)$ Charles Darwin
$(b)$ Lamarck
Contribution of scientist :
$(a)$ Charles Darwin
$(b)$ Lamarck
Gave Darwin theory which state that useful variations from the organism are selected by nature i.e. natural selection and gets accumulated in the organism. This causes evolution e.g. industrial melanism, chemical resistance
Lamarck in his book 'Philosophie zoologique' ($1809$) proposed that the evolution of life form had occurred by the use and disuse of organs.
Similar Questions
Lamarckian theory deals with
Comment on the statement that ''evolution and natural selection are end result or consequence of some other processes but themselves are not processes''.
Comment on the statement that ''evolution and natural selection are end result or consequence of some other processes but themselves are not processes''.
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.
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.
Write short note on Lamarckism.
Write short note on Lamarckism.
Evolution means
Evolution means