Sagot :
Answer:
- unicellular organism
- more than one cell
- an English polymath active as a scientist and architect, who, using a microscope, was the first to visualize a micro-organism.
- he had observed "little animals" -- protozoa — through a microscope.
- a German physician, anthropologist, pathologist, prehistorian, biologist, writer, editor, and politician.
- a German physician and physiologist.
- Matthias Jacob Schleiden helped develop the cell theory in Germany during the nineteenth century.
- All living things are made up of cells.
Explanation: