Question

What is cell theory?

Answer 1

Answer:

Theodor Schwann, a German zoologist declared that all animals and plants are composed of cells which serve as the unit of structure and function this inshort is called the cell theory

Answer 2

Explanation:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. ... Cell theory was eventually formulated in 1839.

Cell Theory. The CELL THEORY, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. ... The Cell Theory is to Biology as Atomic Theory is to Physics.

The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.