Description Standards No aligned standards. Resources Introduction Resource ID: gUTlwSUW@3 Grade Range: HS - 12 By: Instructional Materials Subject: Introduction Disclaimer 20.1 Organizing Life on Earth Resource ID: TteOi8b-@3 Grade Range: HS - 12 By: Instructional Materials Subject: Learning Objectives Connection for AP® Courses Phylogenetic Trees Limitations of Phylogenetic Trees The Levels of Classification Disclaimer 20.2 Determining Evolutionary Relationships Resource ID: Lcc64Tme@3 Grade Range: HS - 12 By: Instructional Materials Subject: Learning Objectives Connection for AP® Courses Two Options for Similarities Building Phylogenetic Trees Disclaimer 20.3 Perspectives on the Phylogenetic Tree Resource ID: jIMkWc-N@3 Grade Range: HS - 12 By: Instructional Materials Subject: Learning Objectives Connection for AP® Courses Limitations to the Classic Model Horizontal Gene Transfer Genome Fusion and the Evolution of Eukaryotes Web and Network Models Ring of Life Models Key Terms Resource ID: hph6m9dR@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Key Terms Chapter Summary Resource ID: qHmgH6tt@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Chapter Summary Review Questions Resource ID: Pi2zRuZc@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Review Questions Critical Thinking Questions Resource ID: R33ItalM@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Critical Thinking Questions Test Prep for AP® Courses Resource ID: X0wK9QZW@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Test Prep for AP® Courses Science Practice Challenge Questions Resource ID: ZV2LTww6@1.27 Grade Range: HS - 12 By: Instructional Materials Subject: Science Practice Challenge Questions Share 20 Evolutionary Relationships of Life on Earth Copy and paste the link code above.