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!!!!!!
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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