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Taxonomy – classifying organisms Aristotle – philosopher who first started to classify organisms Taxonomy – classifying organisms Carlous Linnaeus – scientist who developed the current classification system based on structures Our current system of classification is based primarily on the structure of organisms Classification groups Human Kingdom Animalia Phylum Chordata Class Mammalia Order Primates Family Homindae Genus Homo Species sapien Example: Homo sapien Scientific Name Human Animalia Binomial Nomenclature – using the Genus (Upper case) and species (lower case) name to identify organisms and give them a scientific name Example: Tyrannosaurus rex, Chordata Mammalia Primates Homindae Homo sapien Common Name: Alder Flycatcher Common Names can be Confusing Armadillidium vulgare AKA… pill bug roly polies chiggy-wigs potato bugs. Kingdom Monera Single celled - Unicellular Prokaryotic--No nucleus or organelles, just DNA Examples - Bacteria Kingdom Protista Unicellular and Multicellular (One organism made up of several cells) Eukaryotic--Cells have a nucleus Some protists can do photosynthesis (have chloroplasts) Protists do not have cell walls Microscopic and Live in water Examples – Amoeba, Paramecium, Euglena Kingdom Fungi Multicellular Eukaryotic Do not do photosynthesis Absorb food from the ground Have cell walls Examples: Mushrooms, Molds Kingdom Plantae Multicellular Eukaryotic All plants do photosynthesis All plants contain chloroplasts and cell walls Examples: Trees, Flowers, Grass Kingdom Animalia Multicellular Eukaryotic No cell walls or chloroplasts Cannot do photosynthesis Examples: Worms, Insects, Lions, Snakes, Humans Review __ _ 1. Eukaryotic; all have chloroplasts and cell walls ____ 2. Uni or Multi-cellular, eukaryotic, some photosynthesize ____ 3. Unicellular, Prokaryotic ____ 4. Multicellular, Nutrients come from absorption ____5. Only multicellular, can not photosynthesize, and no cell walls ____ 6. Eukaryotic, has cell walls, but doesn’t photosynthesize Review • Monera = M Fungi = F Animalia = A Plantae = Pla • • __Pla _ 1. Eukaryotic; all have chloroplasts and cell walls • • • • • • • • • __ Pro __ 2. Uni or Multi-cellular, eukaryotic, some photosynthesize __ M __ 3. Unicellular, Prokaryotic __ F __ 4. Multicellular, Nutrients come from absorption __ A __5. Only multicellular, can not photosynthesize, and no cell walls ___ F _ 6. Eukaryotic, has cell walls, but doesn’t photosynthesize Protista = Pro
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