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Chapter 17 17.3 Domains and Kingdoms 1 Domains 1. 2. 3. There are 3 domains Eukarya Archaea Bacteria 2 Kingdoms 1. 2. 3. 4. 5. 6. There are 6 kingdoms in the 3 domains Archaea Bacteria Protists Fungi Plantae Animalia 3 Domain Bacteria Characteristics of this domain are: Bacteria that are prokaryotes (no nucleus) Cell wall contains peptidoglycan 4 Domain Archae Characteristics of this domain are: Species thought to be more ancient than bacteria. Cell walls do not contain peptidoglycan. Called extremophiles because they live in extreme environments. 5 Domain Eukarya Characteristics of this domain are: Cells with a membrane bound nucleus and membrane bound organelles. Includes the kingdoms plantae, animalia, fungi, and protista 6 Kingdom Protista Protists do not have organs They are classified into three groups: Plant-like Animal-like Fungus-like 7 Kingdom Fungi Characteristics of Fungi absorb nutrients from their environment. Heterotrophic Lack motility Have cell walls made of chiton 8 Kingdom Plantae Characteristics of Plantae multicellular Autotrophic Lack motility Have cell walls made of cellulose 9 Kingdom Animalia Characteristics of Animalia multicellular Heterotrophic No cell walls Complex organ systems 10