Fact 1: Mollusks are invertebrates such as the common snail.

Fact 2: An invertebrate is an animal that has no spine, or backbone.

Given the two facts above, answer the question "What has no backbone?" with the following options: 
- chimp
 - snail
 - bats
 - insects
 - monkey
 - sharks
 - coward
 - salmon


 

  snail       