Across
- 2. the scientist who named them cells
- 4. a structure inside a cell that performs a specialized function
- 5. All living things have this - their genetic code
- 10. internal balance in an organism
- 12. all living things are made of _________
- 13. organisms composed of more than one cell, like a human
- 14. all living things require ___________ which is why humans need food
- 15. All living things grow and develop
Down
- 1. organisms composed of only one cell like an amoeba
- 3. a self-contained living thing
- 6. Fire is considered ___________ because it is not composed of cells
- 7. the basic unit of life
- 8. a theory that states the following: all life is made up of cells, cells are the fundamental unit of life, and all cells come from preexisting cells
- 9. a device that lets us see cells
- 11. the scientist who stated all animals were made of cells