This is a whacky idea but i thought why not try it out here and see what folks think. This theory is based on accepting an observer-centric interpretation of qm. Many wont agree with that but its important in order to make sense of my argument. So lets pretend that the existence of an information processing observer is absolutely vital for physical reality to occur as we experience it in this universe. So if observers are vital for the universe to exist, then the only way the universe becomes sustainable from the perspective of an unfolding reality, is if those observers/biology go on to reproduce new observers which "hold open" the physical reality. So reproduction could serve the purpose of allowing the universe to exist and continue evolving new complexity. Bolting on the theory of evolution and how it seems nature has a tendency towards complexity we can take this idea one step further. As species evolve with more complex sensory organs and better ability to process information/reality we are better able to define in greater detail our physical environment (universe). I know there are problems with this idea because one can argue that the universe appears to have existed a few billion years before any biology evolved, but as anyone who studies qm understands the early universe could have evolved in a large wave function of probabilities before self-selecting the reality of a universe which eventually brought about observers. Outlandish yes, but i think it offers a reasonable solution for the existence of biology whose first and foremost objective appears to be reproduction. Any comments or arguments most welcome.