Fact 1: Harming an animal species has a negative impact on the population size of that species.

Fact 2: Population Population A population is comprised of the individuals of a species within an area.

Given the two facts above, answer the question "Harming an animal species has a negative impact on what?" with the following options: 
- The size of the individuals
 - global ecosystems
 - The food of the species
 - most organisms
 - The number of individuals
 - living things
 - The color of the species
 - Abnormal cell growth


 

     The number of individuals    