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Because aerobic respiration wouldn't have worked very well when there was no oxygen to speak of in the atmosphere.

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Is the first step aerobic respiration the first step in anaerobic respiration?

No, in anaerobic respiration, the first step is glycolysis, which occurs in the cytoplasm of the cell. This process converts glucose into pyruvate and generates ATP without the need for oxygen.


How is anaerobic respiration different from cellular respiration?

Anaerobic respiration does not require oxygen, while cellular respiration does. Anaerobic respiration produces less energy compared to cellular respiration.


Which set of pairings correctly matches the process with its condition?

cellular respiration: anaerobic:: fermentation :anaerobic


What is the name of the process of resperation that does not require oxygen?

anaerobic respiration there is also fermentation, which is like anaerobic respiration but does not have an electron transport chain


Anaerobic respiration is most common in?

Anaerobic respiration is most common in microorganisms.


What gas does anaerobic respiration lack?

Anaerobic respiration occurs in the absence of oxygen.


What is the meaning of aerobic and anaerobic respiration?

Aerobic respiration requires oxygen and Anaerobic respiration does not require oxygen!


Respiration with and without oxygen is called?

Aerobic respiration requires oxygen; anaerobic respiration does not use oxygen.


Differentiate aerobic respiration from anaerobic respiration?

Aerobic respiration requires oxygen and occurs in the presence of oxygen, producing more ATP compared to anaerobic respiration. Anaerobic respiration occurs in the absence of oxygen and generates less ATP.


How are respiration and anaerobic respiration different?

aerobic respiration uses oxygen and anaerobic doesn't; also aerobic produces more ATP or cellular energy***Apex: Oxygen is necessary for aerobic respiration but not for anaerobic respiration.


What are the types of cellular respiration's?

The types of cellular respiration are aerobic respiration and anaerobic respiration. Aerobic respiration requires oxygen and produces more ATP, while anaerobic respiration does not use oxygen and produces less ATP.


Did aerobic repsiration evolve before anaerobic respiration?

Anaerobic respiration likely evolved before aerobic respiration. Anaerobic pathways are considered more ancient and can be traced back to early prokaryotic organisms. Aerobic respiration evolved later as a more efficient process that became advantageous with the presence of oxygen in Earth's atmosphere.