You are presented with the question "what may leave an environment to find food and water if the amount available decreases?" and the following answer choices: 
- bullfrogs
 - Lobsters
 - squids
 - omnivores
 - oceans
 - trees
 - humans
 - clouds

Now knowing that if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water and human beings are animals, choose the best answer.


 

       humans  