Fact 1: Having no natural predators increases population size.

Fact 2: Populations can also be limited by predation.

Given the two facts above, answer the question "What does predation limit on a species?" with the following options: 
- Animal survival
 - Reproduction
 - the number of animals
 - genetic material
 - scarce resources
 - nutrients
 - grass
 - birds


 

   the number of animals      