The answer would be adaption or evolution in the animal kingdom
DNA supercoiling means under or over winding of the DNA strand and basically is to become more condensed and more organized. Supercoiling is very important as it compacts the genetic code and as if that was not enough supercoiling also regulates and oversees the access the the genetic code.
Breathing, moving blood throughout the body, and so forth.
The answer should be altitude
Answer:
What stages of aerobic respiration needs oxygen to happen?
The Krebs cycle and the electron transport system
