Why Do Complex Organisms Need Transport Systems
Multicellular Organisms Have Developed Transport and Circulatory Systems to Deliver Oxygen and Food to Cells and Remove Carbon Dioxide and Metabolic Wastes...
Why there is no need of transportation system in unicellular organism but it is most important in multicellular organism?
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, they require a system to transport nutrients and waste products around the organism.
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Why do single-celled organisms not need Specialised exchange and transport systems?
Therefore, they can obtain sufficient oxygen and nutrients via the cell surface membrane through simple diffusion and remove carbon dioxide and other waste products through the cell surface membrane in the same way, so a specialised transport system is not required.As the complexity of the organism increases, the …
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