It's important to note this kind of thing; not all evolution is about competition: some is about co-operation. See here.
Life began with a planetary mega-organism - life - 25 November 2011 - New Scientist: LUCA was the result of early life's fight to survive, attempts at which turned the ocean into a global genetic swap shop for hundreds of millions of years. Cells struggling to survive on their own exchanged useful parts with each other without competition - effectively creating a global mega-organism.
This is important because there is a tendency for some to use the competitive view as justification for a eugenic ideology or cut-throat capitalism. This kind of discovery/hypothesis tends to undercut that piece of lazy political ethics.
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