You are presented with the question "what may compete for territory, water, food, or mates?" and the following answer choices: 
- fjords
 - By wind and rain
 - habitual creatures
 - parasites
 - movement of tectonic plates
 - waterways
 - small stones
 - passenger pigeons

Now knowing that animals may compete for territory, water, food, or mates and wild animals are habitual creatures, choose the best answer.


 

   habitual creatures      