They are both alike because they both begin with a series of reactions known as glycolysis
Cellular respiration needs oxygen and fermentation doesnt
8H2. The actual equation doesn't make sense for 8H2. This is because in compounds it always says the number of atoms after the element symbol, but in this case, there is an 8 before it. This means that it isn't a compound.
It means that only those who are able to adapt with all conditions they are placed in will be able to live.
In animals, an important function of enzymes is to help digest food. Digestive enzymes speed up reactions that break down large molecules of carbohydrates, proteins, and fats into smaller molecules the body can use... hope this helps
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