explain the need for transport systems in multicellular plants

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CIE Syllabus 

Posted Sat 15th September, 2012 @ 10:23 by Zeenat Mustafa

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Hi :) I'm doing OCR A, but I gope this helps anyway :)

The bigger the organism is, the greater is its volume. However this cause the surface area:volume ratio to fall. 

The cells that are further away from the surface of the organism, can't get the needed nutrients, as the diffusion is too slow and the distance it has to travel is too big. 

Answered Sun 16th September, 2012 @ 09:40 by Natalia