Question

what are some functions that an organism must carry out in order to survive

Answer 1

Nutrition, breathing and reproduction. And it all comes from a cell basis.

Answer 2

Every of these aspects variates from a living form to another, of course. E. g., nutrition can be given in two ways:
Autotroph and Heterotroph

Answer 3

Metabolism, Reproduction, Movement, Response to stimuli, Maintaining homoeostasis (inner balance), adaptation through natural selection

Answer 4

movement and adaption is not needed for an organism to survive. adaption is a pocess occuring only in the time scale of hundred generations. and most plants don't move. but the rest of your core points are absolutely right: metabolism, response, reproduction, homoeostasis.

Answer 5

metabolism, respire,intake of nutrients for survival.