Origin of new species and genera is

The origin of new species & genus is known as -

Describe different aspects of ‘Origin of new species' by means of “Natural selection".

Which of the following is the correct sequence of events in the origin of new species according to Darwinism ?

Which of the following is the correct sequence of events in the origin of new species according to Darwinism ?

In potato, brinjal, lion, leopard, and tiger, how many species and genera are there respectively?

In potato, brinjal, lion, leopard, and tiger, how many species and genera are their respectively?

The book Origin of species in written by

Introduction of new species in an ecosystem leads to

Introduction of new species in an ecosystem leads to