<span>For a living organism to exist it needs to feed off of something to live. The basic eco cycle of life. If there is no food supply it ceases to exist and dies. This also could define other things in the world that are not organisms, like a rock.</span>
If there is nothing specific the book needs to be abt then maybe Abt your OCs lives or real world problems to spread awareness?? Just a thought
C the opposition thats the answer