A plant is kept on the floor of a room beside a window with plenty of light coming through. The plant’s shoot bends and grows in the direction of the window. What might account for this reaction? 1 growth away from gravity 2 growth towards gravity 3 growth away from the light source 4 growth towards the light source
- A1 and 3
- B1 and 4
- C2 and 3
- D2 and 4