The diagram represents a stem tip and the posit
;3n( vjef62*jepwc5i9pd)cv+z j kq sion of the Sun.
1.On the diagram above, draw an arrow to indicate the direction of movement of auxin.
2.(1)State the term used to describe the directional growth of a plant in response to light.
(2)Outline how this process affects growth in the stem tip.