Question

Cell theory : 1. All living organisms are composed of cells and products of cells. 2. All cells arise from pre-existing cells.

Answer 1

define cell theory and who were introduced it?

Answer 2

1.At the first cell, the theory was discovered by Mathias Schleiden and Theodore Schwan but they don't explain how new cells are formed this was explained by RudolfVirchoww

Explanation:

1. This theory explains that new cells are formed from pre-existing cells, ( here pre existing cells means older cells)

2. living organisms composed of cells and product of cells