Question

Fill in the blanks in each question.

Cell theory was proposed by ______ and _____.

Answer 1

Cell theory was proposed by Schleiden and Schwann.

• In 1838, Jakob Matthias Schleiden first proposed the idea that all plants consist of cells.
• In 1839, Theodor Schwann independently asserted that all animals and plants are made up of cells.
• Their joint finding forms the basis of the cell theory.