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Classification of Living Things CHAPTER the BIG idea Scientists have developed a system for classifying the great diversity of living things. Scientists develop systems for classifying living things. Branching diagrams show biological relationships. Classification systems change as scientists learn more. CHAPTER OUTLINE NEW CHAPTER 7.1 7.2 7.3 CHAPTER RESOURCES
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VOCABULARY KEY CONCEPT CHAPTER HOME classification Scientists develop systems for classifying living things. SECTION OUTLINE SECTION OUTLINE dichotomous key 7.1 CHAPTER RESOURCES CHAPTER RESOURCES taxonomy binomial nomenclature genus CALIFORNIA Content Standards 7.3.d Students know how to construct a simple branching diagram to classify living groups of organisms by shared derived characteristics and how to expand the diagram to include fossil organisms.
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VOCABULARY KEY CONCEPT CHAPTER HOME An identification tool that gives a series of choices, each with only two possibilities. dichotomous key KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus
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VOCABULARY KEY CONCEPT CHAPTER HOME The systematic grouping of different types of organisms by their shared characteristics. classification KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus
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VOCABULARY KEY CONCEPT CHAPTER HOME The science of classifying and naming organisms. taxonomy KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus
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VOCABULARY KEY CONCEPT CHAPTER HOME The two-part naming system used to identify species. The first part of the name is the genus, and the second part of the name is the species. binomial nomenclature KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus
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VOCABULARY KEY CONCEPT CHAPTER HOME The first part of a binomial name that groups together closely related species. genus KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus
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VOCABULARY KEY CONCEPT CHAPTER HOME Scientists develop systems for classifying living things. SECTION OUTLINE SECTION OUTLINE 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus Spotted turtle Clemmys guttata SIMULATION Use an interactive dichotomous key. CLASSZONE.COM Animalia Chordata Reptilia Testudines Emydidae Clemmys Guttata
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VOCABULARY KEY CONCEPT CHAPTER HOME KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY I. Scientists develop systems for classifying living things. A. Scientists provide a key for identifying species. 1. Classification and Taxonomy 2. Using Classification C. Organisms can be classified into seven levels. Scientists develop systems for classifying living things. 7.1 CHAPTER RESOURCES CHAPTER RESOURCES classification dichotomous key taxonomy binomial nomenclature genus B. Linnaeus named more than 11,000 species. 3. Naming Species
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VOCABULARY KEY CONCEPT CHAPTER HOME SECTION OUTLINE SECTION OUTLINE Branching diagrams show biological relationships. derived characteristic cladogram 7.2 CHAPTER RESOURCES CHAPTER RESOURCES CALIFORNIA Content Standards 7.3.d Students know how to construct a simple branching diagram to classify living groups of organisms by shared derived characteristics and how to expand the diagram to include fossil organisms.
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VOCABULARY KEY CONCEPT CHAPTER HOME A branching diagram of relationships among organisms; it is based on characteristics that are passed down from common ancestors. cladogram Branching diagrams show biological relationships. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY 7.2 CHAPTER RESOURCES CHAPTER RESOURCES derived characteristic cladogram
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VOCABULARY KEY CONCEPT CHAPTER HOME A trait that has changed from its ancestral condition through evolution. derived characteristic Branching diagrams show biological relationships. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY 7.2 CHAPTER RESOURCES CHAPTER RESOURCES derived characteristic cladogram
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VOCABULARY KEY CONCEPT CHAPTER HOME SECTION OUTLINE SECTION OUTLINE Branching diagrams show biological relationships. 7.2 CHAPTER RESOURCES CHAPTER RESOURCES derived characteristic cladogram pine tree fernmoss multicellular vascular system seeds flowers flowering plant
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VOCABULARY KEY CONCEPT CHAPTER HOME II. Branching diagrams show biological relationships. A. Taxonomists study biological relationships. B. Branching diagrams show how organisms evolved. Branching diagrams show biological relationships. 1. Physical Evidence 2. Genetic Evidence KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY 7.2 CHAPTER RESOURCES CHAPTER RESOURCES derived characteristic cladogram 1. Common Ancestors 2. Diagramming Taxa 3. Cladograms C. Branching diagrams help scientists test their hypotheses. Open books to p.238
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VOCABULARY KEY CONCEPT CHAPTER HOME Classification systems change as scientists learn more. SECTION OUTLINE SECTION OUTLINE vertebrate invertebrate domain 7.3 CHAPTER RESOURCES CHAPTER RESOURCES CALIFORNIA Content Standards 7.3.d Students know how to construct a simple branching diagram to classify living groups of organisms by shared derived characteristics and how to expand the diagram to include fossil organisms.
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VOCABULARY KEY CONCEPT CHAPTER HOME One of three divisions in a classification system based on different types of cells: Archaea, Bacteria, and Eukarya. domain KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Classification systems change as scientists learn more. 7.3 CHAPTER RESOURCES CHAPTER RESOURCES vertebrate invertebrate domain
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VOCABULARY KEY CONCEPT CHAPTER HOME An animal with an internal backbone. vertebrate KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Classification systems change as scientists learn more. 7.3 CHAPTER RESOURCES CHAPTER RESOURCES vertebrate invertebrate domain
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VOCABULARY KEY CONCEPT CHAPTER HOME An animal that has no backbone. invertebrate KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Classification systems change as scientists learn more. 7.3 CHAPTER RESOURCES CHAPTER RESOURCES vertebrate invertebrate domain
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VOCABULARY KEY CONCEPT CHAPTER HOME Classification systems change as scientists learn more. SECTION OUTLINE SECTION OUTLINE The most popular system of classification in use today is a three-domain system that includes six kingdoms of organisms. CLASSIFICATION OF LIVING THINGS Domain: Archaea Domain: Bacteria Kingdom: Archaea Domain: Eukarya Kingdom: Protista Kingdom: Fungi Kingdom: Animalia Kingdom: Plantae 7.3 CHAPTER RESOURCES CHAPTER RESOURCES vertebrate invertebrate domain Kingdom: Bacteria
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VOCABULARY KEY CONCEPT CHAPTER HOME III. Classification systems change as scientists learn more. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY A. Taxonomy changes as scientists make discoveries. B. The two most familiar kingdoms are plants and animals. 1. Three Domains 2. Six Kingdoms 1. Plantae 2. Animalia Classification systems change as scientists learn more. C. Other organisms make up four more kingdoms. 1. Protista 2. Fungi Plantae Animalia domain Protista Fungi Archaea Bacteria 3. Bacteria 4. Archaea 7.3 CHAPTER RESOURCES CHAPTER RESOURCES Open books to p.248
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CHAPTER HOME Image Gallery Click on the icons to see a larger image or animation. SIMULATION Use an interactive dichotomous key. CLASSZONE.COM
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CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY Ocelots are small hunters and tree climbers. Some lynx have thick hair and live in colder climates. Jaguars are muscular cats that may be over two meters long.
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CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY
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CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY CLASSIFICATION OF LIVING THINGS Domain: Archaea Domain: Bacteria Kingdom: Archaea Domain: Eukarya Kingdom: Protista Kingdom: Fungi Kingdom: Animalia Kingdom: Plantae Kingdom: Bacteria
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CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY
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Chapter Resources CHAPTER HOME BACK TO CHAPTER Content Review Review key concepts and vocabulary Math Tutorial Review math concepts Resource Center Get more information on select science topics Standardized Test Practice Practice state standardized tests Animations Link to all the McDougal Littell Science animations Review Game Play a fun interactive review game Audio Readings Hear chapter audio readings Image Gallery Click here to review chapter images and animations Click on the items below to access resources on CLASSZONE.COM
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