You are presented with the question "Most insects have a what?" and the following answer choices: 
- faulty nervous system
 - layers of fat
 - epidermis and dermis
 - distracted nervous system
 - complex nervous system
 - brain damaged system
 - biological diversity
 - sensory neurons

Now knowing that most invertebrates have a more complex nervous system and invertebrates Among the invertebrates, the largest number of species are insects, choose the best answer.


 

     complex nervous system    