Fact 1: Having no natural predators increases population size.

Fact 2: Organisms have to be better adapted as population size increases.

Given the two facts above, answer the question "what does having no natural predators mean creatures have to be?" with the following options: 
- Echinoderm.
 - animals
 - heterotrophs
 - Echinoids
 - slow and inefficient
 - better adapted
 - threatened
 - dangerous


 

      better adapted   