" The Struggle to Survive "

Assertion (A): Natural selection is the phenomenon by which the nature selects those species which possess survival advantage over the other species. Reason (R): According to theory of natural selection, there is struggle of existence within the species of a population for the environmental resources and their struggle leads to survival of certain organisms and elimination of the less competent species. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is NOT the correct explanation of A. c) A is true but R is false. d) A is false and R is true.

When darwin spoke of the struggle for existence and survival of the fittest in the nature he was convinced that

According to Darwin during the struggle for existence, these organisms alone will survive

According to Darwin during the struggle for existence, these organisms alone will survive

The struggle between the organisms of same species is called : ...............

The struggle among the individuals of the same species known as _____.

According to Darwinism ____ Which is helpful for struggle for life is survival of the fittest.

According to Darwinism ____ Which is helpful for struggle for life is survival of the fittest.