Cells Crossword

4. basic unit of life
5. he examined a slice of cork using a microscope and found little cells
10. how the cell looks
13. part of cell that produces energy
16. the outside boundary of a cell that allows materials to move in and out of the cell
17. optical instrument used for viewing very tiny objects, such as animal or plant cells
19. group of similar cells that work together to do a job
20. a sample of a substance or material to examine

1. the idea that all living things are made up of cells
2. contains chlorophyll and is where photosynthesis takes place
3. found in the cytoplasm, parts of the cell that act like organs in a body
6. clear gel-like substance within a cell
7. job
8. large oval structure and acts as the 'brain' of the cell
9. he proved that maggots did not spontaneously appear from rotting meat
11. (last name only)he discovered bacteria, named these “animalcules,” which included unicellular organisms
12. a living thing
14. stores water and waste
15. group of organs that work together
18. groups of tissues that work together