Tree Biology

1. Flowers produced on the trunk and older branches eg Saraca Thaipingensis
3. the depth of the root system of tropical tree
4. the study of the physical forces that affect the structure and function of trees.
7. a tree having a sympodial type of branching
8. is the respond of trees to light by changing their directional growth.
9. the growth that takes place in the vascular cambium and the cork cambium
10. a tree having a monopodial type of branching and with a strong leader
11. roots wood formed that join the roots and the base of the trunk
13. branch Main branch of the tree

2. retards the loss of water and protects against injury, pests and disease
5. where the xylem vessels are located
6. it defined the outermost circumference of the tree's canopy, from which water drips onto the ground.
9. the root that stabilize and anchor the tree
12. nodules formed by tree roots that are infected with bacteria which help them fix nitrogen in the soil
14. a tree that drops all its leaves at once