CBSE Class 10 Answered
simple diffusion will not meet the requirements of the cells. justify
Asked by vithika hazrati | 11 Apr, 2013, 10:20: PM
Expert Answer
In single-celled organisms the entire surface of the organisms is in contact with the environments for the diffusion of substances but in multi-cellular organisms, all the cells may not be in direct contact with the surrounding environment. So, simple diffusion will not meet the requirements of all the cells.
Answered by Meghna Thapar | 12 Apr, 2013, 10:25: AM
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