Complex sentence: Using models based on the genetic algorithm for rule-set production, researchers have predicted that the southeastern United States is moderately to highly likely to be inhabited by zebra mussels and the Midwest unlikely to experience a zebra mussel invasion of water bodies.
Split into simpler sentences: Using models based on the genetic algorithm for rule-set production, researchers have predicted that the southeastern United States is moderately to highly likely to be inhabited by zebra mussels. The Midwest is otherwise unlikely to experience a zebra mussel invasion of water bodies.