Question

how did viscrow expanded the call theory​

Answer 1

Answer:

Cell theory was expanded by Virchow in 1855 by suggesting that all cells arise from pre-existing cells All animals and plants are composed of cells, which serve as the units of structure and function and all cell arise from pre-existing cells. ... All organisms are made up of cells.

Explanation:

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Answer 2

Answer:

Cell theory, as formulated by Theodor Schwann in 1839, introduced the idea that the cell is the main structural unit of living nature. Later, in solving the problem of cell multiplication, Rudolf Virchow expanded the cell theory with a postulate: all cells only arise from pre-existing cells.