Having no natural predators increases population size, and any population has the potential to produce more offspring than the environment can support. Given these facts, having what increases the potential to produce more offspring than the environment can support among the following options:
- no natural habitat
 - no natural prey
 - competing for resources
 - peachleaf willow
 - no natural owners
 - members of their own species
 - animals with backbones
 - no natural predators


 

        no natural predators 