Trees

4. Lack of water in the body.
6. Transports nutrients and sugars produced by photosynthesis throughout the plant.
9. The study of trees.
10. The process plants use to convert sunlight into energy.
11. To occur at the same time; simultaneous.
14. Inactive, sleeping

1. action The attraction of the surface of a liquid to the surface of a solid.
2. A proposed explanation for a phenomenon, which can be tested.
3. Measures the intensity of light.
5. The study of tree rings to determine the age of trees.
7. Carries water from the roots to the rest of the plant.
8. To begin to grow, come into being.
12. The pigment that is essential for photosynthesis in plants.
13. A layer of tissue that produces new vascular tissue and grows between xylem and phloem