Across
- 4. ring shaped layer of food grown in a single season, best viewed in a cross section of the tree
- 6. the younger, lighter wood near the outside of a tree trunk
- 8. areas where new cells are formed, allowing for trees to grow; includes root tips and buds at the end of twigs
- 9. sheets of cells in wood; run from inner bark to center of the tree
Down
- 1. forest area which contains shrubs larger than grasses and flowers
- 2. central, harder and older nonliving portion of a tree; usually darker and denser than surrounding sapwood
- 3. the study of plants which main support system is composed mainly of woody material
- 5. where the root systems, grasses and flowers are found in forests
- 7. a guide used for identifying organisms based on a series of yes or no questions