I think the answer is DNA
Vestigial structures<span> are often homologous to </span>structures<span> that are functioning normally in other species</span>
Answer:
The part of your nervous system that is similar to the autopilot of the airplane is the autonomic nervous system
Explanation:
The autonomic nervous system is regulated by the hypothalamus which in turn controls functions such as digestion, urination and other unconscious functions.
It is the Mid-Atlantic Ridge.
I think it would be Ionic Solution