You are presented with the question "what does having no natural predators mean creatures have to be?" and the following answer choices: 
- Echinoderm.
 - animals
 - heterotrophs
 - Echinoids
 - slow and inefficient
 - better adapted
 - threatened
 - dangerous

Now knowing that having no natural predators increases population size and organisms have to be better adapted as population size increases, choose the best answer.


 

      better adapted   