14 43. The diagram below shows the successive positions of a single cilium on the body surface of a paramecium -6 (a) Indicate on the diagram the direction of movement of the paramecium as Il progresses forward. (01 mark) (b) Which of these positions represent the (02 mark) (1) Effective stroke... (i) Recovery stroke.... (c) Describe how exactly effective stroke is achieved in cillary movement. (03 marks) (d) Describe four importances of ciliary movements in animals. (04 marks)​