Yes, A single cell live independently on its own. THIS can be explained by an example.Ex: Amoeba.Amoeba is a single celled organism That can perform everything a living organism needs to.It can take its own food, respire,reproduce etc. Hence, it is not dependent on anyone and can live independently. so, It can be also called a complete organism.
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in single celled organisms no specific organs for taking in food , exchange of gases or removal of wastes may be needed because the entire surface of the organism is in contact with the environment, so it can live independently.ex: amoeba
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pls mark it as the brainliest answer