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Download Classification - Northwest ISD Moodle
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Classification 1 Aristotle 384 BC • Classified organisms as either plants or animals 2 Carolus Linnaeus 1707-1778 • Classification system • Taxonomic groups of related organisms • Binomial nomenclature (two names) • Homo sapiens • Dermacentor andersoni 3 Taxonomic Groups 4 5 Classification of Man • • • • • • • Kingdom Phylum Class Order Family Genus Species Animalia Chordata Mammalia Primates Hominidae Homo Homo sapiens 6 Species • “Species are groups of actually or potentially interbreeding populations, which are reproductively isolated from other such groups.” • Reproductively isolated group Ernst Mayr 7 Different Species 8 * * Archaea 9 Kingdom Monera or Eubacteria • • • • Single celled Prokaryotic Make or absorb food Cell wall – peptidoglycan 10 Kingdom Archaea • • • • Single celled Prokaryotic Make or absorb food DNA – Similar to Eukaryotic • Cell wall – Pseudopeptidoglycan or protein only 11 Kingdom Protista • Single celled • Eukaryotic • Ingest or produce food 12 Kingdom Fungi • Multicellular • Eukaryotic • Cell wall – Chitin • Absorb food 13 Kingdom Plantae • Multicellular • Eukaryotic • Cell wall – Cellulose • Produce food – photosynthesis 14 Kingdom Animalia • • • • • Multicellular Eukaryotic No cell wall Ingest food Motile 15 Terminology • Classification – Assigning organisms to different catagories based on their relationship • Taxonomy – The science of naming organisms • Systematics – Determining evolutionary relationships of organisms • Phylogeny – Evolutionary history 16 Gorilla Chimpanzee Tiger Lizard Fish Tail Lost Fur Four Limbs 17 Gorilla Tail? • How do we know the gorilla lost its tail? 18 Gorilla’s Vestigial Tail Gorilla Human 19 The End 20
