Across
- 5. one-half of a sphere (ball shape)
- 6. 4 heads
- 8. before birth
- 9. produce again
- 10. without oxygen
- 11. put together
- 15. 4 feet
- 16. across a cell membrane
- 18. man who is wise
- 19. through the skin
Down
- 1. after death
- 2. man-like
- 3. allows some but not all things to go through
- 4. 3rd
- 7. organisms living with each other
- 12. 3 bodies (chromosomes)
- 13. working together
- 14. 4th
- 17. through a cell membrane