Question
Write two differences between tactic and nastic movements with examples.
Answer
| Tactic Movement | Nastic Movement |
|---|---|
| The movement towards or away from a stimulus. | Rapid, reversible movement in response to a stimulus. |
| Directional, with movement towards or away from the stimulus. | Non-directional, with movement not dependent on the direction of the stimulus. |
| Bacteria move towards nutrients using chemotaxis. | The closure of petals in response to changes in light in some flowers. |
