Two different people (person A and person B) require different amounts of food energy every day.

Person A and person B are both the same height, weight, age, and they get the same amount of exercise each day. Why might person A and person B still require different amounts of food energy?

Hich is an example of using comparative anatomy to study evolutionary relationships? comparing and contrasting the dna of two organisms studying the digestive system structure in two organisms using ancient footprints to learn about an organism’s behaviors looking at the development of a fertilized egg of an organism