The diagram represents
;gq 2rtur j8t a3mlbq/t-*n7hlr,8yh x*hi8ea stem tip and the position 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.