Which of the following best explains why aerobic respiration is more energy efficient than anaerobic respiration?
a.
aerobic respiration occurs in one step, while anaerobic respiration requires several steps.
b.
aerobic respiration fully breaks down glucose, while anaerobic respiration does not.
c.
aerobic respiration produces more atp per molecule of glucose.
d.
aerobic respiration produces less carbon dioxide per molecule of glucose.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

What problem would a person most likely have if her kidney did not work correctly?