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Classifying Organisms

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  1. Classifying Organisms Why do scientists classify? What are the levels of classification? How are taxonomic keys useful? How are evolution and classification related?

  2. Classification • Textbook definition: • The process of grouping together things based on their similarities. • In Ms. Anderson’s words • Similar things grouped together In my words My Drawing

  3. Taxonomy • Textbook definition: • The scientific study of how living things are classified. • In Ms. Anderson’s words: • Study of similar things grouped together In my words My Drawing

  4. Binomial Nomenclature Lindquist, Lisa • Textbook definition: • The system for naming organisms in which each organism is given a unique, two part scientific name indicating its genus and species. • In Ms. Anderson’s words: • Two Names In my words My Drawing

  5. Genus • Textbook definition: • A classification grouping that consists of a number of similar, closely related species. • In Ms. Anderson’s words: • Similar, closely related In my words My Drawing

  6. Species • Textbook definition: • A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce. • In Ms. Anderson’s words: • Very similar, can have fertile offspring In my words My Drawing

  7. Evolution • Textbook definition: • The process by which species gradually change over time. • In Ms. Anderson’s words: • Organisms changing over time. In my words My Drawing

  8. Scientific NamesItalics or underlineGenus - CapitalizedSpecies - Lower Case • Perognathus californicus • Perognathus nelsoni • Perognathus spinatus Common Name: Pocket mouse

  9. Classifying Organisms • Use the textbook pictures, textbook definitions, Ms. Anderson’s ideas to write definitions in your own words and to create a drawing to help you remember the definition.

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