Fact 1: Adult tunicates are barrel-shaped.

Fact 2: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.

Given the two facts above, answer the question "What shape are sea squirts?" with the following options: 
- rectangle
 - Loose
 - swimming
 - barrel
 - protected
 - swea
 - square
 - cross


 

    barrel     