Page 58 - Science Course 1 (Book 1)
P. 58

Mo2-L3a: How are Organisms Classified?








                                           Bell-like flower                                 Bluebell
                            Narrow leaf

                                           trumpet-like flower                           wild daffodil




                PLANTS
                                           top petal overhangs            dead nettle
                                           lower petal
                             Broad leaf                           Heart-shaped

                                           top petal does not         leaf                    lesser celandine
                                           overhang lower petal
                                                                  club-shaped
                                                                      leaf                       primrose




                                        Wings larger                       butterfly
                                        than body

                             Can fly
                                        Wings not larger                   bee
                                        than body
                                                               more than
                INSECTS                                        2 legs                 spider
                                        Legs      more than
                                                  six legs      two or less
                             Can’t fly                          eyes                  caterpillar


                                                    exo-skeleton               snail

                                         No legs
                                                    No exo-skeleton            leech



               A cladogram is a branched diagram that shows the relationships among organisms, including common
               ancestors








                    Fish       Amphibians       Reptiles        Birds          Rodents         Primates


                                               Egg shell                                    Hair / Fur

                                                                             Amniotic Egg

                                                               Four Limbs

                                                Vertebrae
                                   Eukaryotes
                                                                                                                 51
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