Page 44 - Science Course 1 (Book 1)
P. 44

Mo2-L1b: Classification of Living Things



                                                                  Let’s Begin
                Amphibians       Reptiles        Mammals
                                                                 How are living things classified?

                                                                  Scientists group organisms with similar traits and
                                                                  use a system to name them.

                                                                  Binomial nomenclature is a naming system that
                                                                  gives each living thing a two-word scientific name.

















                KINGDOM

                 Animalia


                                                                                      HORSE
                                                                  Scientific Name: Equus Caballus
                 PHYLUM

                 Chordata                                        The branch of science that classifies living things is
                                                                 called taxonomy.
                                                                 A group of organisms is called a taxon




                                                                 Using taxonomy,
                  CLASS                                          scientists divide all

                Mammalia                                         living things on Earth   Bacteria   Eukaryota
                                                                 into three groups
                                                                 called domains.


                                                                                              Archaea
                                                                       DOMAIN

                              Genus Species
                                                                       Kingdom
                                                                                       Domains are divided into
                                                                                       kingdoms, and then phyla,
                                                                       Phylum          classes, orders, families,
                                                                                       genera, and species.
                                                                        Class

                                                                        Order


                                                                        Family
                   Homo Sapien             Canus Lupus
                   (Modern Man)                                         Genus


                                                                       Species

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   39   40   41   42   43   44   45   46   47   48   49