Answer: -
B.
the ability to reproduce
Explanation: -
Reproduction is the biological process by which an organism produces an offspring similar to them. The reproduction can involve just 1 member (asexual reproduction) or two member (sexual reproduction) of the species.
All living beings eventually die. Thus if there are no new members of a species being added, eventually all member of that species will die, leading to disappearance of that species.
Hence the ability to reproduce is is essential to the continuation of every species of living organisms.
Since reproduction