Correct order showing levels of organisation in Multicellular organisms  - cells - tissues - organs - organ systems - organism, Incorrect order of the levels of organisation in multicellular organisms - tissues - organ systems - organs - cells - organism, Tail of sperm - Allows it to swim to the egg for fertilisation , Tissue stem cells - Potential to become one of a limited range of cells, Embryonic stem cell - Potential to become one of any cell type of the body, Stem cell - Name given to unspecialised cells that can self renew and become specialised, Tissue - Cells of the same type with the same function,

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