Q3. In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference.
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Hello.... Here is your answer
The whole answer is related to size of the organism.
Diffusion is a very slow process so it can meet the requirements of unicellular Oraganism due to their extreme small size while multicellular organism has very large body design and size due to which diffusion cannot meet requirements of multicellular organism.
@X-SMARTY
The whole answer is related to size of the organism.
Diffusion is a very slow process so it can meet the requirements of unicellular Oraganism due to their extreme small size while multicellular organism has very large body design and size due to which diffusion cannot meet requirements of multicellular organism.
@X-SMARTY
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