Animals may compete for territory, water, food, or mates, and wild animals are habitual creatures. Given these facts, what may compete for territory, water, food, or mates among the following options:
- fjords
 - By wind and rain
 - habitual creatures
 - parasites
 - movement of tectonic plates
 - waterways
 - small stones
 - passenger pigeons


 

   habitual creatures      