what do most types of have nervous systems?
complex animals cows insects goats protist bacteria sweat glands
A B C D E F G H
Insects are the most common invertebrates.
most insects have a nervous system
what do most types of have nervous systems? (A) complex (B) animals (C) cows (D) insects (E) goats (F) protist (G) bacteria (H) sweat glands