Ch. 4 Terms

7. also known as a plant growth regulator
8. results in cell death
9. single flower in a compound inflorescence
10. A plant that lives for more than two growing seasons
12. A growth or turning response to an environmental or other signal
13. molecules that regulate cell division and are key to stimulating adventitious shoot formation
14. short stalk that holds up the flower
15. seeds are produced without the protection of an ovary

1. A plant that lives for more than a year, has hard rather than fleshy stems
2. reproductive structure in a flowering plant
3. root that emerges from anywhere on the plant other than from the roots
4. gas that regulates fruit ripening and plant senescence
5. action taken after perception of a signal
6. plant that is produced from seed in the spring and dies at the end of the growing season
7. The ability of a plant cell or tissue to detect
11. flowering plants whose seeds develop inside an ovary