Wilma is an alcoholic. Her liver has been damaged to such a degree that it cannot produce the appropriate blood proteins for fluid balance. She develops a condition called edema, which is .
A) cardiovascular disease.
B) extreme thirst.
C) loss of muscle mass.
D) the build up of fluids in extracellular spaces.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.