Which one of the best illustrates a qualitative (rather than quanitative) change in development?

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dancer so i get cardio a lot)

The breakdown of peptides into amino acids is an example of . the release of insulin after eating a large meal is an example of .

Chris has a thrombotic disorder which class of medications would his doctor prescribe to inhibit the thrombosis