Those genes may play no evolutionary role, he added, but they can provide organisms with the genetic flexibility to colonize new habitats.
2.
The implications would be that " G . biloba " had occurred over an extremely wide range, had remarkable genetic flexibility and, though evolving genetically, never showed much speciation.
3.
Aggression between groups of animals may also confer advantage; for example, hostile behavior may force a population of animals into a new territory, where the need to adapt to a new environment may lead to an increase in genetic flexibility.
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