You are presented with the question "What needs to be lacking for a creature to change habitat?" and the following answer choices: 
- warmth
 - inedible plants
 - wind
 - oxygen
 - nektar
 - food
 - O2
 - dirt

Now knowing that if a habitat can no longer support animals then those animals will move to another area and animals are dependent on plants for food and habitat, choose the best answer.


 

      food   