Across
- 2. Microscopic plankton, Ultraplankton
- 7. Unlettered, Unschooled
- 9. Strip leaves, Denude
- 11. Neuron branch, Nerve extension
- 13. Joint-legged animal, Segmented invertebrate
- 14. Whole, Unbroken
- 16. Unreadable, Indecipherable
- 18. Germ, Microbe
- 19. Portable, Movable
- 21. Leaf, Page
- 22. Stationary, Fixed
Down
- 1. Leaves, Greenery
- 3. Billionth of a second, Instant
- 4. Joint inflammation, Rheumatism
- 5. Tree-ring dating, Growth-ring analysis
- 6. Illegal, Unlawful
- 8. Psychopath, Antisocial
- 10. Tree study, Forestry
- 12. Touch, Connection
- 15. Palpable, Touchable
- 17. Joint camera, Endoscope
- 18. Disease study, Morbid anatomy
- 20. Activate, Marshal