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CLASSIFICATIONCLASSIFICATION ADDING ORDER. Engage Alien Planet Story.

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Presentation on theme: "CLASSIFICATIONCLASSIFICATION ADDING ORDER. Engage Alien Planet Story."— Presentation transcript:

1 CLASSIFICATIONCLASSIFICATION ADDING ORDER

2 Engage Alien Planet Story

3 Explore Making a Dichotomous Key

4 Explain Why Classify? to bring order to the large number of various organisms Process is called taxonomy

5 Assigning Scientific Names 1.Early Efforts at Naming Organisms 1.Used common names 2.Very confusing 3.Very complex 2.Binomial Nomenclature 1.Carolus Linnaeus in the 18 th century 2.Each species is assigned a two part scientific name 1. Homo sapien

6 Section 18-1 Flowchart Linnaeus’s System of Classification Kingdom Phylum Class Order Family Genus Species

7 Grizzly bearBlack bearGiant panda Red fox Abert squirrel Coral snake Sea star KINGDOM Animalia PHYLUM Chordata CLASS Mammalia ORDER Carnivora FAMILY Ursidae GENUS Ursus SPECIES Ursus arctos Section 18-1 Classification of Ursus arctos

8 Modern Evolutionary Classification Section Outline

9 CLADOGRAM Crab Barnacle Limpet Crustaceans Gastropod Molted exoskeleton Segmentation Tiny free-swimming larva Section 18-2 Traditional Classification Versus Cladogram AppendagesConical Shells Crab Barnacle Limpet CLASSIFICATION BASED ON VISIBLE SIMILARITIES A.Evolutionary Classification A.Lines of evolutionary descent

10 CLASSIFICATION BASED ON VISIBLE SIMILARITIES CLADOGRAM AppendagesConical Shells Crab Barnacle Limpet Crab Barnacle Limpet CrustaceansGastropod Molted exoskeleton Segmentation Tiny free-swimming larva Section 18-2 Traditional Classification Versus Cladogram –B. Classification Using Cladograms Derived characters –Characteristics that appear in recent parts of the lineage

11 C. Similarities in DNA and RNA –Similarities at the molecular level show how closely organism are related

12 Six Kingdoms System Kingdom ArcheaBacteria Kingdom EuBacteria Kingdom Protista Kingdom Fungi Kingdom Plantae Kingdom Animalia Section Outline

13 Section 18-3 Concept Map are characterized by such as and differing which place them in which coincides with which place them in which is subdivided into Living Things Kingdom Eubacteria Kingdom Archaebacteria Eukaryotic cells Prokaryotic cells Important characteristics Cell wall structures Domain Eukarya Domain Bacteria Domain Archaea Kingdom Plantae Kingdom Protista Kingdom Fungi Kingdom Animalia

14 DOMAIN KINGDOM CELL TYPE CELL STRUCTURES NUMBER OF CELLS MODE OF NUTRITION EXAMPLES Bacteria Eubacteria Prokaryote Cell walls with peptidoglycan Unicellular Autotroph or heterotroph Streptococcus, Escherichia coli Archaea Archaebacteria Prokaryote Cell walls without peptidoglycan Unicellular Autotroph or heterotroph Methanogens, halophiles Protista Eukaryote Cell walls of cellulose in some; some have chloroplasts Most unicellular; some colonial; some multicellular Autotroph or heterotroph Amoeba, Paramecium, slime molds, giant kelp Fungi Eukaryote Cell walls of chitin Most multicellular; some unicellular Heterotroph Mushrooms, yeasts Plantae Eukaryote Cell walls of cellulose; chloroplasts Multicellular Autotroph Mosses, ferns, flowering plants Animalia Eukaryote No cell walls or chloroplasts Multicellular Heterotroph Sponges, worms, insects, fishes, mammals Eukarya Classification of Living Things Section 18-3 Key Characteristics of Kingdoms and Domains

15 Using a Dichotomous Key Strange Science –You will use a real dichotomous key to classify the Alien organisms in the given pictures. –Work in Pairs. Practice Problems –On Your Own. –When you are done share & discuss quietly.


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