What does the energy pyramid demonstrate? a. a great amount of energy is gained moving up the energy pyramid. b. a great amount of energy is lost traveling up the energy pyramid. c. the same amount of energy is available at every level of the energy pyramid. d. energy is not transferred between organisms in an ecosystem.

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.