Introns are regions that do not code for proteins.
Introns are found in eukaryotes.
Eukaryotes have regions that do not code for proteins.
what animals have regions that do not code for proteins?

(A) fur and fat
(B) eukaryotes
(C) fur seals
(D) barnacles
(E) sensory neurons
(F) chickens
(G) bioaerosols
(H) mammals