Plant Responses

1. Movement in response to a stimulus but is independent of the location of the stimulus
2. A bluish, light-sensitive pigment that monitors changes in day length
5. Plant growth in response to a chemical
7. Mixture of 2,4-D and another auxin used to defoliate jungles during the Vietnam War
8. (ABA) Inhibits other hormones (like IAA) and helps to keep plant in dormancy
12. Synthetic hormone used to help ripen fruits by breaking down into ethylene gas
15. Plant's response to changes in length of days and nights
16. Nastic movement in response to touching a plant
17. Plants growth in response to gravity
18. Occurs when nights become longer and plants no longer produces chlorophyll
20. Hormones stimulating or inhibiting plant growth
22. Promote cell division in plants
23. Chemical messengers that affect a plant's ability to respond to the environment
25. Flowers when days are longer/nights are shorter
26. Low-temperature stimulation of flowering
27. Produced in small quantities by the plant that causes them to grow abnormally tall

1. Response to daily light/dark cycles
3. Response of a plant to grow either away or towards an environmental stimulus
4. (IAA)Natural auxin that stimulates development of fleshy fruit
6. Plant's growth response to touching a solid object
7. Hormones involved in plant-cell elongation, shoot and bud growth, and rooting
9. Also known as heliotropism; The motion of leaves or follows following the sun's movement across the sky
10. Response of a plant to grow either away or towards a light source.
11. Inhibition of lateral buds due to the presence of a shoot tip nearby
13. Detachment of leaves, flowers, and fruits
14. Flowers when days are short/nights are long
19. Ripens fruits
21. Plants that only live for two years and produce flowers/seeds in second year
24. Flowers regardless of day length
28. Rapid elongation of stems during spring