Answer: Anton van Leeuwenhoek.
- A Anton van Leeuwenhoek
- B Robert Hooke
- C Rudolf Virchow
- D Louis Pasteur
Correct answer: A. Anton van Leeuwenhoek
Explanation: Anton van Leeuwenhoek, using his simple microscope, was the first to see living cells such as bacteria and protozoa.
Animal cell structure with major organelles labeled. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Cell theory, prokaryotic vs eukaryotic cells, organelles and their functions. Foundation of all biology.