6th Q 3 Revision Part 3

3. In plants most of the absorption of water and minerals takes place through this.
4. the protective covering over the bud before it blooms.
10. They hold the plant in the ground and keep the plant from falling over.
11. attract pollinators to the plant.
14. The release of water vapor and oxygen in the form of gases through the stomata.
16. The largest part of the seed that provides stored energy for the developing seedling is called ___________
19. The microscopic openings on leaf cells through which the transpiration takes place is called _________.
20. dandelion seeds are dispersed by _______.
21. The innermost core consists of dead cells which are added to continually, which is called the ______.
22. The outer protective layer of the trunk is made of both living and dead cells and is called the ______.
23. The cells that carry water throughout the plant body.
24. produces the pollen.
26. A plant’s response to gravity.

1. The inside of the seed contains an undeveloped plant.
2. What type of plants depend entirely upon their green stems for support and die each year as winter approaches?
5. A plant’s response to light.
6. In which root system, one main root is larger than the others?
7. produce the ovule or egg that eventually becomes the seed.
8. the flat extended part of the leaf.
9. The first leaves to form of a seedling.
11. a short stalk that attaches the leaf to the stem.
12. the hormone that stimulates plant growth, and also causes plants to respond to gravity, light, touch, and other effects of the environment.
13. All seeds have a tough outside covering.
15. The process by which plants produce their own food using water and carbon dioxide in the presence of sunlight to produce glucose and oxygen is called _____.
17. The cells that carry food through the plant's body.
18. The surface of a leaf has a single layer of cells that secretes a waxy covering called ______.
25. Which bud is formed at the tip of a stem?