I would say C.nervous system because that pretty much defines all of the answer choices.
B is the answer I strongly believe
Claro que yo no sabo como Hacer eso
2 examples -
1.) in italy, ( limone ) a unique mutation protects them from developing atherosclerosis,
2.)theres mutation in bacteria too, this mutation allows bacteria to survive in the presence of antibiotic drugs, leading to the evolution of antibiotic-resistant strains of bacteria.
