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

What characteristic does giardia have that makes it a protist, a characteristic that all other protists have? a. it is a unicellular eukaryote. b. it is a eukaryote that is not an animal, a plant, or a fungus. c. it is parasitic and has flagella. d. it spends part of its time in a body of water.