Step 1 : Introduction to the question "2. Plants may respond to changes in the environment. These responses are referred to as a tropism. If a plant bends towards the light, which type of tropism is the plant demonstrating?"
...1. Geotropism 2. Thigmotropism 3. Thermotropism 4. Phototropism If a plant grows towards the light, it is described as positively phototropic. However, if it bends away from the light, it is described as negatively phototropic.