Two of the tenets of the cell theory are: All living things consist of one or more cells, and the cell is the smallest unit of life that displays all of the characteristics of life. Which is the third tenet?

1 Answer
Aug 23, 2016

All cells arise from (pre)existing cells.

Explanation:

The three basic principles underlying cell theory as we know it today are:

  1. All organisms are made of one or more cells.
  2. Cells are the basic building blocks of all living things.
  3. All cells arise from (pre)existing cells (or: all cells are formed out of other cells).