Across
- 1. Who said all plants are made of cells?
- 5. Who called cells animalcules?
- 6. Who said all animals are made of cells?
- 7. What do you use to see cells?
Down
- 1. Who named cells "cells"?
- 2. Who made the first microscope?
- 3. An explanation that ties together many hypotheses and observations.
- 4. What are the basic building blocks of life?