The correct options are
A Reproduction is the basic characteristic of living organisms.
B Reproduction is necessary for survival of any species.
C Asexual and sexual reproduction are the two modes of reproduction.
Reproduction is the process by which an organism produces young ones of its own kind. It is the basic characteristic of a living organism.
-It helps in the multiplication of species.
-Organisms reproduce by two basic modes i.e. asexual and sexual methods.
-Monerans, Protistans, Fungi and Algae are considered as lower organisms which reproduce by asexual methods.