Question

biologists expect that all cells come from other cells because of the

Answer 1

In 1858, Rudolf Virchow (1821-1902) extended the work of Schleiden and Schwann by proposing that allliving cells must rise from pre-existing cells. This was a radical idea at the time because most people, scientistsincluded, believed that nonliving matter could spontaneously generate living tissue.

Answer 2

rudolf virchow proposed that all cells occur from pre existing cells(omnis cullula e cellula)

all life must arise from pre-existing life — via a process of reproduction. If cells are the fundamental units of life, they too must have a reproductive mechanism that maintains the proper chromosome number in each cell.

so every organism and every cell have the same ancestor through gene mutation they tarted evolving and creation of new species