(a)(i) Identify organisms A and B.                                                              [2  marks]
  (ii) Name the parts labeled I to X.                                                             [5  marks]
(b) State one function each of the parts labeled VI, VIII, IX and X.                                [4 marks]
(c) Name the specific habitats of organisms A and B.                                    [2  marks]
(d) State three structural adaptations of organism A to its mode of life.               [6 marks]
(e)(i)State three structural similarities between organisms A and B   [3 marks]
  (ii) State three structural differences between organisms A and B.                       [3 marks]
(f)(i)  Name the class of organisms A and B.                                                [1  marks]
  (ii) State three reasons for the answer in 3 (f) (i).            [3 marks]
(g)State one biological importance of  organism A.                      [1 marks]