I believe the correct answer is B. It is glucose that is not produced in the process of cellular respiration. Glucose is one of the reactants in the process which produces carbon dioxide, water and ATP. Cellular respiration is a group of reactions that happens in cells to produce energy in the form ATP.
Answer:
Birds, like mammals, have a 4-chambered heart (2 atria & 2 ventricles), with complete separation of oxygenated and de-oxygenated blood. The right ventricle pumps blood to the lungs, while the left ventricle pumps blood to the rest of the body.
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It's C , i'm 100% positive
Fossil evidence because these changed occur over long time periods (millions of years).