Hydra reproduces by binary fission. This sentence is

In organisms,the further development of the zygote depends on:

What is the development of an unfertilized egg into an organism called?

Which of the following is a correct mode of reproduction?

Study the following statements and choose the correct option.
$I$. Life spans of organisms are correlated with sizes.
$II$. Death of all individuals is certain.
$III$. The organism's habitat,internal physiology,etc.,are collectively responsible for how it reproduces.
$IV$. When offspring is produced by a single parent with or without the involvement of gamete formation,it is called asexual reproduction.

Asexual reproduction is common in