Fact 1: Most mollusks have shells.

Fact 2: Mollusks are soft-bodied invertebrates.

Given the two facts above, answer the question "Most soft-bodied invertebrates have what?" with the following options: 
- hands
 - epidermal
 - protected
 - a cuticle
 - hard
 - alveoli
 - shells
 - exterior


 

       shells  