Ants and bee's don't have a backbone, instead, in most cases, they have an exoskeleton.
Hope this helped:)
If you were to go in the career cluster of healthcare (medical), you would be able to assist your patients' needs better, understand what is really going on in their bodies, and give them suggestions for improving their overall health. Hope this helps. :D. Let me know if you have any questions about my explanations and feel free to ask more questions.
Answer:
Food is prevented from entering the trachea because C
