3. Plants respond in other ways besides tropisms. a. What is the name for a plant's non-directional response to a stimulus? 1 b. How are tropisms different from these responses?​

Nastic movement the non-directional movement (of plants) in response to a stimulus (e.g. humidity, temperature, light irradiance, nutrients, gravity

Explanation:In tropism there is directional movement of plant in response to the surrounding like gravity or light but the direction of nastic movement is independent . in tropism stimulus controls the orientation of the growth , in nastic movements stimulus triggers response

Hope this helps you

weathering is the answer.

a community that experiences major changes undergoes progress