Of the 5 characteristics of living things. Which one is required for the species to survive? But does not have to apply to an individual

The characteristic of reproduction is required for the species to survive but does not have to apply to an individual. This is because for a species to continue existing, there needs to be a process of reproduction in which individuals produce offspring that inherit their genetic traits and continue the species lineage. While an individual may not necessarily reproduce, as long as there is a sufficient number of individuals within a species reproducing, the species can still survive.