The structure below is found in the members of a class in the kingdom Animalia      (a) Name the class from which the animal with the structure above is found. (1 mk)(b) State the functions of the parts labelled T and R                                                (2 m(c) Name the structure on the animal that protects S from mechanical injury.    (1 mk(d) State the adaptations of the part labelled S                                                         (4 mks)