Complex sentence: The evolution is driven by the selective action of a "signal-receiver", or "dupe", such as birds that use sight to identify palatable insects (the mimics), whilst avoiding the noxious models.
Split into simpler sentences: The evolution is driven by the selective action of a "signal-receiver", or "dupe". For example, birds that use sight to identify palatable insects (the mimics), whilst avoiding the noxious models.