You are presented with the question "What may cause fighting within a species?" and the following answer choices: 
- caring for young
 - deforestation
 - growing food
 - a tree falling
 - competing for resources
 - Males and females
 - depress neuronal excitability
 - making peace

Now knowing that competition may cause animals to fight towards members of their own species and when habitat is healthy, many animals can compete for resources and still coexist, choose the best answer.


 

     competing for resources    