You are presented with the question "a long tail can be used for _ by an animal" and the following answer choices: 
- bullfrogs
 - swimming
 - growth
 - flying
 - courtship
 - navigation
 - support
 - mating

Now knowing that along tail can be used to move through water by an animal and thus swimming is defined as a special kind of moving, namely moving in or through water, choose the best answer.


 

  swimming       