If if the amount of available food and water decreases in an environment then bears may leave that environment to find food and water, then what will bears do if the amount of available food and water decreases?

Answer choices:
- exposure to cold
 - they develop spacecrafts
 - they stay where they are
 - depress neuronal excitability
 - they leave the environment
 - they move to Vegas
 - structure and function
 - mate with females

 

     they leave the environment     