Across
- 3. A 3-part theory that explains cells and where they come from
- 5. The maintaining of stable internal conditions in a changing environment
- 8. Allows some things through but not others
- 10. The second step of the cell cycle; two nuclei are produced
- 11. An explanation of WHY something occurs in nature
- 12. The smallest part of living things
- 13. A description of WHAT happens in nature
- 14. The genetic material within a cell
Down
- 1. The semi-permeable membrane that surrounds the cell
- 2. The last step of the cell cycle; the two new cells move apart
- 4. Made of one cell
- 6. The first step of the cell cycle; the cell grows and DNA is copied
- 7. Made of many cells working together to support this life form
- 9. Made of many cells