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slavikrds [6]
3 years ago
13

Why might a unicellular organism need oxygen?

Biology
1 answer:
Ahat [919]3 years ago
5 0

Answer:

Most organisms also need oxygen to survive. ... In unicellular organisms, oxygen diffuses across the cell membrane into the cell. Carbon dioxide diffuses out of the cell once the concentration of carbon dioxide is higher inside the cell than it is outside of the cell.

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This shows commensalistic relationship.

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Commensalism is a biological relationship (symbiosis) in which individuals of one species profit, while those of the other species suffer neither advantages nor disadvantages.

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