Across
- 2. response of a plant to light
- 3. compressed dead moss used for fuel
- 4. response of a plant to touch
- 7. clusters of sporangia on the underside of a fern leaf
- 8. the broad leaf of a fern
- 10. plants which flower when nights are shorter
- 12. plants not sensitive to day length
- 13. the anchor into the rock or soil from mosses
- 16. the minimum night length for some plants to flower
Down
- 1. response of a plant to graavity
- 2. plant with life span of more than 2 years
- 5. plant with life span of 2 years
- 6. plants which flowers when nights are longer
- 9. plant with life span of 1 year
- 11. hormone which increases plant cell growth
- 14. a seedless, nonvascular plant
- 15. chemicals that help a plant to develop
- 17. a seedless, vascular plant