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Classifying Organisms

Learn about the process of classifying organisms based on their similarities, the levels of classification, the usefulness of taxonomic keys, and the relationship between evolution and classification. Create your own definitions and drawings to enhance your understanding.

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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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