The central nervous system is made up of the brain and spinal cord<span>.</span>
Divergent evolution is when two different species share the same ancestral origins but have evolved differently whereas convergent evolution is when species with different ancestral origins have developed similar features.
In convergent evolution, two species that are not necessarily closely related develop similar features often as a result of adaptation to similar conditions.
The answer is D. Just think how hard it would be to see a moth of that colour when just about everything during that time period is grey.
Layer c is the oldest and then it’s b and a
