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.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.