Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown.
-If an animal is a vertebrate,this means that the animal

Question

Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown. 
-If an animal is a vertebrate,this means that the animal

Quizplus · Accepted Answer

Vertebrates are animals that have a backbone, which is made up of individual bones called vertebrae. The other options (A, C, D, E) are not correct because they do not define what a vertebrate is.

Figuer: Main Animal Groups Are Noted at the Right. Names Diverging