What are three things that can effect the breathing system?

Changes in Respiratory System. The short-term effect of exercise on respiratory system is usually quite extensive and that is mainly due to the changes in the concentration of oxygen and carbon dioxide in the blood. It is due to these changes that you will notice your breathing rate go up quickly

Explanation:

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.