I would say C but I’m not too sure.
The three main stages of cellular respiration (aerobic) would include Glycolysis, the Kreb's Cycle and the Electron Transport Chain. The Krebs Cycle takes Citric Acid which is a derivative of Pyruvic Acid and converts this through 4 cycles into Hydrogen, carbon dioxide and water in the Mitochondrial Matrix.
1.Beak for catching prey
2.Wings to fly away from danger
3. Ability to balance
Seafood, white mean, eggs, milk/dairy, Beef
Where are they? Would love to answer