In some parts of Hawaii, nonnative grasses have been planted for cattle feed, replacing some of the native rain forest plants.
Which statement describes the most likely impact of the replacement of
rain forest plants with nonnative grasses?
A. The biodiversity of these areas will decrease.
B. Rain forest plants will outcompete nonnative grasses for resources.
C. Less nitrogen will be absorbed from the atmosphere over these areas.
D. Cattle will get fewer nutrients grazing on nonnative grasses than on rain
forest plants.

both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and   breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.

the answer is d p: cell, q: organ, r: organ system, s: tissue