Which of the following statements is not correct about sexual reproduction?
$(I)$ Gametes fuse to form the zygote.
$(II)$ It is an elaborate,complex,and fast process compared to asexual reproduction.
$(III)$ Offspring are not identical to the parents.

In sexual reproduction,offspring resemble the parents:

Choose the correct options from the following:
$I$. Annual and biennial plants show clear-cut vegetative,reproductive,and senescent phases.
$II$. Bamboo species flower only once in their life,generally after $50-100$ years.
$III$. $Strobilanthus$ $kunthiana$ is a monocarpic plant which flowers only once after $12$ years.

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.

Immortal individuals are

What is the average lifespan of a crocodile (in $years$)?