In 1665, Robert Hooke saw many small box-like compartments, which he called cells, while examining a thin slice of
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → cork
In 1665 Robert Hooke looked at a thin slice of cork, a substance from the bark of a tree, under his microscope. It looked like a honeycomb of little compartments, which he called cells.