CLASSIFICATION ADDING ORDER.

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Alan D. Morales, M.Ed., ATC/L
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Presentation transcript:

CLASSIFICATION ADDING ORDER

Engage Alien Planet Story

Explore Making a Dichotomous Key

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

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

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

Classification of Ursus arctos Section 18-1 Grizzly bear Black bear Giant 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 Outline Modern Evolutionary Classification

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

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

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

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

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

Classification of Living Things Key Characteristics of Kingdoms and Domains Section 18-3 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 Cell walls without peptidoglycan Methanogens, halophiles Protista Eukaryote Cell walls of cellulose in some; some have chloroplasts Most unicellular; some colonial; some multicellular Amoeba, Paramecium, slime molds, giant kelp Fungi Cell walls of chitin Most multicellular; some unicellular Heterotroph Mushrooms, yeasts Plantae Cell walls of cellulose; chloroplasts Multicellular Autotroph Mosses, ferns, flowering plants Animalia No cell walls or chloroplasts Sponges, worms, insects, fishes, mammals Eukarya Classification of Living Things

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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