Across
- 2. Created to live without chlorophyll
- 5. A fungus and an alga working together as one plant form a...
- 12. Single cells that some plants produce intstead of seeds
- 13. The age of a tree can be determined by counting the...
- 14. The plant with a fruiting body
- 17. The tallest kind of tree
- 20. In the hot dry climate of the southwestern states, the ... grows
- 21. The fungus that converts sugar into alcohol and carbon dioxide
- 22. The largest kind of tree
- 23. The green plantsthat have no true leaves, stems, or roots
Down
- 1. A plant that lives for two years and then dies
- 3. Trees that bear cones instead of flowers
- 4. A plant that does not die after one season of growth but continues to live and grow for many seasons
- 6. An attractive tree with frosty needles, often planted as an ornamental.
- 7. The ... has an attractive reddish wood with an oil that produces a pleasant fragrance
- 8. A plant that has fronds and produces spores instead of seeds
- 9. Growth in a tree takes place in the ... layer immediately under the bark
- 10. Scientists who study trees
- 11. Fungi that feed on dead matter
- 15. A tall plant with a single woody stem
- 16. Roots of ferns
- 18. Trees that lose their leaves in the fall
- 19. Smallest of all green plants
- 20. The only conifers with bundles of needles