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Overview: This pamphlet with self-quizzes provides students with a self-paced tutorial in tree thinking and corrects many common misconceptions about phylogenetic trees.Author/Source: Laura Novick, Kefyn Catley, and Emily Schreiber Grade level: 13-16 Time: 30 min - 1 hour Teaching tips: Students can be assigned this pamphlet as homework. If desired, instructors can collect the "Practice What You've Learned" for assessment. An in-class extension could involve holding a think-pair-share activity with additional similar questions in the next class period. Concepts: Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details. - Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry.
- Evolutionary trees (i.e., phylogenies or cladograms) portray hypotheses about evolutionary relationships.
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