Page 99 - Primary Six Notes
P. 99

i. Mouth  parts—Proboscis is a tube for sucking food in in-

          sects like mosquitoes, house flies, bees, tsetseflies etc.

          Mandibles are used for chewing in insects like grasshoppers,

          locusts, cockroaches, beetles, etc


          ii. Antennae/ feelers—These are used as sense organ for

          touch, smell detecting sound (hearing) and detecting chang-

          es in temperature, humidity and finding direction.

          iii. Wings—for flying


          iv. Compound eyes—for seeing


          v. Halters— in housefly for balancing during flight.


          vi. Spiracles—for breathing




















                                            4W                                T
                                                                               (
                                                                               V


                                                                         :




                                                              *





                                                                             A







                           £ .
   94   95   96   97   98   99   100   101   102   103   104