The none-existent species is

The non-existent species is

Geographic and reproductive isolation are most closely associated with Or The origin of species from pre-existing species is

Assertion (A) : New species develop from the existing species known as speciation. Reason (R) : Different species can breed together and produce fertile offspring.

Give an account of steps proposed to save existing species of wildlife.

Give an account of steps proposed to save existing species of wild life.

Which of the following species is not expected to exist ?

Which of the following species is not expected to exist ?