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Classifying Beads Activity

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Classifying Beads Activity

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  1. Classifying Beads Activity • Assessing Prior Knowledge: • What is the scientific name for humans? • What do you think are the common names for Feliscatus and Canisfamiliaris? • In each case, what does the first of the two names mean? • What do the two names together refer to? • Which group, genus or species, is more inclusive?

  2. Finding Order in Diversity Objectives: 9.0 Differentiate between the previous five-kingdom and current six-kingdom classification systems. 9.1 Sequencing taxa from most inclusive to least inclusive in the classification of living things 9.2 Identifying organisms using a dichotomous key 9.3 Identifying ways in which organisms from the Monera, Protista, and Fungi kingdoms are beneficial and harmful Examples: beneficial -—decomposers, harmful -—diseases 9.4 Justifying the grouping of viruses in a category separate from living things 9.5 Writing scientific names accurately by using binomial nomenclature

  3. Taxonomy: • Def: classifying organisms and assigning each organism a universally accepted name. • Organisms are grouped according to biological significance, from more inclusive groups to more specific grouping. • Early efforts were done differently by different scientists. • Binomial nomenclature: two-word naming system (EX: Homo sapiens)

  4. Carolus Linnaeus • A hierarchical system of classification including seven layers, called taxon/taxa (largest to smallest groups): • Kingdom – Animalia and Plantae • Phylum – EX: Chordata • Class – Mammalia, Aves, Reptilia, etc. • Order – EX: Carnivora (includes Families Ursidae, Canidae, Felidae, and others) • Family – EX: Ursidaeincludes various bears, from grizzlies to pandas • Genus – EX: Ursus a group of closely related bears • Species – EX: Ursusarctos is the grizzly bear