Why do higher plants and animals need a transportation system


Asked by admin @ in Biology viewed by 353 People


Why do higher plants and animals need a transportation system ?

Very urgent !!!!! Pls understand!!!!!!

Answered by admin @



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, they require a system to transport nutrients and waste products around the organism.


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