Fact 1: Invertebrates are animals that lack a vertebral column, or backbone.

Fact 2: Jellyfish and insects are invertebrates.

Given the two facts above, answer the question "what lacks a backbone?" with the following options: 
- fossil fuels
 - Chlorophyll
 - humans
 - Leptospirosis
 - fungi
 - spine
 - jellyfish
 - animals


 

       jellyfish  