The video explains the development of the cell theory, starting with Matthias Schleiden's discovery that plants are made of cells, followed by Theodor Schwann's conclusion that animals are also composed of cells. Rudolf Virchow later added that new cells arise from existing ones. These findings collectively form the cell theory, which states that all living organisms are made of cells, cells are the basic units of life, and all cells come from pre-existing cells.

Who were the scientists that concluded all living things are made of cells?

• Rudolf Virchow and Louis Pasteur

• Matthias Schleiden and Theodor Schwann

• Theodor Schwann and Rudolf Virchow

• Matthias Schleiden and Rudolf Virchow

What did Rudolf Virchow propose about the formation of new cells?

• New cells form spontaneously

• New cells are created from non-living matter

• New cells are formed by chemical reactions

• New cells arise from the division of existing cells

Which of the following is NOT a part of the cell theory?

• Cells can form spontaneously from non-living material

• Cells are the basic units of structure and function in organisms

• All living organisms are made of one or more cells

• All cells come from pre-existing cells

According to the cell theory, what is the basic unit of life?

• Cells

• Molecules

• Atoms

• Tissues

Which statement best describes the cell theory's view on the origin of new cells?

• New cells are formed from existing cells

• New cells are formed by the fusion of atoms

• New cells can appear from nowhere

• New cells are created by chemical processes