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Why are multicellular organisms dependant on some type of specialized transport system?
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Which organism lacks a specialized transport system?
Certain organisms lack a specialized transport system for moving nutrients around the body. These organisms generally lack advanced circulatory systems.
Transport system needed multicellular organisation?
because multicellular organisms cannot survive on diffusion alone. as a result, they need these mechanisms to transport nutrients and substances through the body
What is the main function of the circulatory system in multicellular organisms?
To transport materials throughout the body.
What transport mechanism do one celled colonial and simple multicellular organisms rely on?
These organisms use simple diffusion as a transport mechanism.This is possible because of the small size of the organisms. Diffusion is effective over small distances but as size increases it becomes less and less efficient.
Are there any living creatures who do not have blood?
basic function of blood or a transport medium is to transport material within the body..there are unicellular (like bacteria) n simple multicellular organisms or u can say simple creatures do not have blood or any other transport medium..
Why is diffusion insufficient to meet the oxygen requirement for multicellular organisms like human?
In single-celled organisms the entire surface of the organisms is in contact with the environments for the diffusion of substances. 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.
How do unicellular organisms transport gases and nutients?
Unicellular organisms transport gases and nutrients by diffusion.
Why must complex muticellular organisms have transport systems?
Large organisms need transport systems to supply all their cells with food, oxygen and other materials.Multi-cellular organisms are too big and not all of their cells have contact with the external environment. All organisms need to exchange substances with their environment - take in needed molecules and get rid of waste. A uni-cellular organism can use the processes of osmosis, diffusion and active transport to transport substances in and out of the organism, which is in this case just one cell. But as organisms increase in size, they need a specialized transport system to exchange substances between the internal environment and the external environment. Interestingly enough, osmosis and diffusion are still the important mechanisms at the cellular level.
Why do cells in your body need to be specellized?
Multicellular organisms are much more complex. The body needs to supply food and nutrients, transport materials, remove wastes, and fight infections. Specialized cells carry out different functions in order for the body to function properly.
What type of cell live longer unicellular or multicellular?
Explain Active and Passive transport.
A kind of cell that has no nucleus?
Prokaryotes are (mostly) unicellular organisms without an nucleus.Humans on the other hand are multicellular eukaryotes. Our cells contain nuclei EXCEPT for red blood cells. These do not contain a nucleus in order to be able to transport more oxygen.
Is a specialized form of diffusion and diffusion is a type of passive transport.?
membrane
