Question

Diffusion meet the oxygen while in unicellular why

Answer 1

Hey.... here is ur answer __________

☆ In unicellular organisms , multicellular are not are not in direct contact with the outside environment. theirfore diffusion can not meet the oxygenrequirement.


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Answer 2

HEYMATE!!!!

■ In multi - cellular organisms, all the cells may not be in direct contact with the surrounding environment.

■thus,simple diffusion will not meet the requirements of all the cells.

■In case of a single - celled organism, no specific organs for taking in food, exchange of gases or removal of wastes may be needed because the entire surface of the organism is in contact with the surrounding environment.

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