Answer:
These few lizards who eat vegetation will be able to survive and reproduce better than those who eat insects. Since for the most part don't have to compete for resources with other lizards they have a better chance for survival than those who eat insects.
The central nervous system is composed with brain and spinal cord, this is where the nerve impulses come.
The peripheral nervous system is composed with the nerves which comes from the central nervous system and go to the different organs like skin and muscles, its role is to conduct the nerve impulses.
That all organisms have dna just for them
