How could you determine if a newly discovered animal were a vertebrate or an invertebrate?

Question

Quizplus · Accepted Answer

Vertebrates have a spinal column, while invertebrates do not. Therefore, by testing for the presence of a spinal column through dissection or x-ray, we can determine if the newly discovered animal is a vertebrate or an invertebrate. Testing for DNA or the ability to respond to stimuli with movement could help in identifying the specific species, but not necessarily whether it is a vertebrate or an invertebrate.

How Could You Determine If a Newly Discovered Animal Were