If tigers may compete for territory, water, food, or mates, then why do tigers compete?

Answer choices:
- to get along with others
 - pressure differences.
 - to give territory to others
 - They can distract drivers
 - mate with females
 - a hemisphere is tilted away from the sun
 - to listen to the alpha male
 - to gain territory and mates

 

        to gain territory and mates  