Question

How do we know that an organism respires?​

Answer 1

Answer:

All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration. ... These conditions are called gas exchange surfaces.

Answer 2

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All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration. ... These conditions are called gas exchange surfaces.

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