Question

idea that all living things are composed of cells, cells are the basic units of
structure and function in living things, and new cells are produced from
existing cells
options: cell theory, cellular respiration, photosynthesis or fermentation

Answer 1

Answer:

The unified cell theory

Explanation:

The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. Rudolf Virchow later made important contributions to this theory.