Which of the following statements about entropy is true?
a.
entropy increases going from one trophic level to another.
b.
increases in entropy lead to reversible processes.
c.
a system’s work output is limited when changes in entropy do not occur.
d.
all of the above

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.