Most invertebrates have a more complex nervous system.
Invertebrates among the invertebrates, the largest number of species are insects.
Most insects have a complex nervous system.
Most insects have a what?
Options:
A) faulty nervous system
B) layers of fat
C) epidermis and dermis
D) distracted nervous system
E) complex nervous system
F) brain damaged system
G) biological diversity
H) sensory neurons