schleiden and schwann believed
Schleiden and Schwann both believed in cell theory. Schwann's theory was that all living things are made of cells. Schleiden believed that different parts of plant organisms are composed of cells.
Answer: Plants and animals were made up of same basic structure, which provided support to the cell theory.
Explanation:
Matthias Schleiden stated that plant were composed of cells, and Schwann demonstrated the same fact for animal tissues. In 1839 Schleiden and Schwann formulated the cell theory which states that organisms are composed of cells, which is the smallest unit of life. This means all tissues are made up of cells.
The conclusion is that: