You are presented with the question "Vertebrates are animals that have what?" and the following answer choices: 
- strength
 - tentacles
 - Something to move
 - tree muscles
 - animal suits
 - trunk muscles
 - Epidermis
 - aerobic capacity

Now knowing that vertebrates are animals that have a backbone and trunk muscles are the muscles of abdominal wall, thorax, backbone and pelvic cavity, choose the best answer.


 

      trunk muscles   