Asexual reproduction is carried out by:

$A -$ The number of chromosomes in human reproductive cells is $2n$.
$R -$ All organisms perform asexual reproduction.

The period from birth to natural death is called

$A$: No individual is immortal except one-celled organisms.
$R$: $A$ few number of plant and animal species have existed on Earth and do not die because of budding.

Reproduction is a biological process in which an organism gives rise to young ones (offspring) similar to itself. An organism's method of reproduction depends upon which of the following factors?

In which of the following organisms are gametes produced through mitosis?