Fact 1: Most mollusks have shells.

Fact 2: Among mollusks, the golden snail is a survivalist.

Given the two facts above, answer the question "Most of what type of animal is known for having a shell?" with the following options: 
- fossils
 - toads
 - eggs
 - swea
 - small
 - insects
 - porous
 - snail


 

        snail 