The answer is C. Cephalochordate is an animal that belongs to chordate subphylum. This species is defined by a notochord that persist throughout life. T<span>he notochord extends from their head to tail.</span>They are marine animals and has elongated bodies.
Oxygen<span> enters a cell and then </span>reacts<span> with a glucose in the cell.
</span>
Through partial melting of the subducting slabs
