You are presented with the question "What shape are sea squirts?" and the following answer choices: 
- rectangle
 - Loose
 - swimming
 - barrel
 - protected
 - swea
 - square
 - cross

Now knowing that adult tunicates are barrel-shaped and tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic, choose the best answer.


 

    barrel     