November 16, 2015 Title: Classification of Organisms Challenge: How do microbes fit into the classification of living organisms? Concepts/Vocabulary: Taxonomy - Unicellular Microbes - Multicellular Protists Bacteria Archaea

Getting Started: How could you classify these coins?

Classification of Organisms Why classify? Classifying helps organize and make sense of the many living things on earth. Organisms are organized by: physical characteristics DNA The branch of science dedicated to classification of living things called taxonomy.

Classification of Organisms You are already familiar with classifying organisms! Organelles Plants Animals Nucleus X Cell membrane Cell wall Mitochondria Chloroplasts Vacuoles

Classification of Organisms There is an “official” classification system. It’s called the 3 Domain system. All life is split into one of three domains.

Classification of Organisms Domain Archaea Bacteria Eukarya Kingdom Archaea-bacteria Eubacteria Protista Fungi Plantae Animalia Cell Type Prokaryote Eukaryote # of Cells unicellular Most unicellular; a few multicellular Most multicellular; a few unicellular multicellular Multi-cellular Ex: extreme-ophiles bacteria Amoeba Paramecium Mushrooms, Bread mold, yeast Mosses, ferns, trees Insects, jellyfish, mammals

Classification of Organisms

Classification of Organisms Pneumonic device to help remember.

Dichotomous Keys: Facilitators – be sure that you record the characteristics used to create your groupings.

Getting Started: Facilitators – be sure that you record the characteristics used to create your groupings.

Classification of Organisms

Classification of Organisms

Classification of Organisms

Classification of Organisms

Classification of Organisms