the transportation system is needed in multicellular organisms, why?
Basith1802:
transportation system like blood
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2
organism is small and has a large surface area to volume ratio all the nutrients and respiratory gas can be taken , in require a system or transportation
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1
Answer:
Most multicellular plants and animals have too small a surface area to volume ratio so diffusion would be too slow to provide the necessary molecules. Therefore, theyrequire a system to transport
Explanation:
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