In rather abstract evolution mechanics, this isn't much different from requiring male and female counterparts to procreate. All that happens here is that smalle

In rather abstract evolution mechanics, this isn't much different from requiring male and female counterparts to procreate. All that happens here is that smaller entities are a better fit for the environment, while only a combination of them stores the full information required for another entity to be created. In simulations this has been seen quite often.