| A | B |
|---|
| Tropism | any growth respose of a plant to anything |
| Phototropism | a plant's general growth response to light |
| Negative Phototropism | a plant's growth response away from light |
| Positive Phototropism | a plant's growth response towards light |
| Gravitropism | a plant's general growth response to gravity |
| Negative Gravitropism | a plant's growth response away from gravity |
| Positive Gravitropism | a plant's growth respose towards gravity |
| Thigmotropism | a plant's general growth reponse to touch |
| Negative Thigmotropism | a plant's growth reponse away from touch |
| Positive Thigmotropism | a plant's growth response towards touch |
| Solar Tracking | when a plant follows the sun to increase energy absorbtion |
| Dormant | when a plant becomes inactive |
| Short-night Plants | plants that bloom when there are more hours of day than night |
| Long-night Plants | plants that bloom when there are more hours of night than day |
| Annual Plants | Plants that grow, live, & die within one season |
| Perennial Plants | plants that return year after year |
| Tendrils | sensitive thread-like growths off a plant for grabbing |
| Charles Darwin | Scientist who studied shoot tips |
| Shoot tip's "Dark" side | Chemicals cause it to grow faster |
