Answer: Flank 1 and 3
Explanation:
The organisms in flask 1 and 3 undergoes cellular respiration.
What is cellular respiration?Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
Cellular respiration is the process that occurs in the mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP.
Cellular respiration is used to generate usable ATP energy in order to support many other reactions in the body.
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