A student performed an investigation in which bean seeds were grown in a petri dish. The student placed the bean seeds on a moist paper towel and then placed the petri dish on its side on a well-lit window sill. Then the student observed how the bean seeds grew over a period of days. The student’s bean seeds are shown in the illustration below.
answers:
-phototropism
-geotropism
-hydrotropism
-thermotropism
phototropism is the orientation of a plant or other organism in response to light, either toward the source of light and the plant grows upward because it is trying to look for sunlight.
