How does energy acquisition in the deep sea differ from energy acquisition near the ocean’s surface?

a.
organisms in the deep sea acquire energy directly from the sun.
b.
organisms near the ocean’s surface rely on chemosynthesis rather than photosynthesis.
c.
organisms in the deep sea do not have direct access to sunlight.
d.
organisms in the deep sea have no means to obtain energy unless they travel to the ocean’s surface.