give one reason why multicellular organism require speacial organ for exchange of gases between their body and their enviourment
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Answer:
because they are having many different types of cells to perform different types of functions
him2004:
that's not right
sorry
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Explanation:
multicellular organisms have a very complex body design with huge number of cells unlike unicellular organisms who have only a single cell
in unicellular organisms exchange of gases can be easily carried out with the help of diffusion of gases easily because of simple body design which is not possible in multicellular organisms
hence they need specialised organs for exchange of gases
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