Topic 9 Plants

1. region of cells capable of division and growth in the root and shoot tips in plants
3. a plant hormone that directs growth
8. growing plantlets in tissue culture and then planting it
10. a plant which needs very little water
12. a pathway between cells that uses cell walls
13. a pathway between cells that uses plasmodesmata
14. growth by a plant in response to gravity pulling on it
16. a plant hormone that regulates the cell cycle
17. chromoproteins that are sensitive to red and far-red light
18. the transfer of pollen from an anther of a plant to the stigma of a plant
19. the process of moving material away from where its made

2. a structure that set up concentration gradients within tissues 3 words
4. the interaction between two or more species where each species has a net benefit
5. an unstable form of a chemical element that releases radiation
6. plant hormones that are associated with germination
7. the straw like mouth of some invertebrates
9. the growth of an organism in response to a light stimulus
11. a ring of hydrophobic cell
15. a supporting cell in the phloem