Answer:
Layer D
Explanation:
Layer D would be the oldest form of undisturbed rock. This would mean that since it is the oldest, it will be <em>least</em> similar to the present day form of that organism.
Frontal lobe
Phineas gage, a railroad foreman, suffered damage to a large part of the brain responsible for emotion regulation, planning, and decision making-namely, the frontal lobe.
The frontal lobe is the section of the brain that functions mainly in voluntary movement. The frontal lobe contains the primary cortex which controls activities such as walking. The frontal lobe is also responsible for memory, language, emotion control, good decision making and good communication ability.
