What levels of organization of life can be attributed to the cell? What other levels of organization of life are distinguished?

What levels of organization of life can be attributed to the cell? What other levels of organization of life are distinguished? What sciences study living systems at the organismic level?

1) a cell can be attributed to the cellular level as the smallest unit that has all the properties of a living thing, as well as to an organismic one as a unicellular organism (amoeba, ciliate);
2) molecular, cellular, organismic, population-specific, biogeocenotic, biosphere;
3) anatomy and physiology.

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