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Guide 7B
Evidence
Piece together the past.
In this guide you use direct and indirect evidence of species changing over time.
Video Overview
Watch this guide overview video; you can select the closed captioning “cc” option if you would like to see the text.
Evidence Contents
Complete all five of these sections before taking the quiz and submitting your media piece.
Evidence Objectives
Fossils
Demonstrate how a fossil forms and explain the types of information that can be determined from fossil evidence.
Skeletons
Diagram the common bones shared by vertebrates, including the significance of homologous structures in determining species relatedness.
Living Fossils
Explain what a living fossil indicates and how the rate of change can vary in different species over time.
Speciation
Compare and contrast forms of speciation, including examples and the role of genetic analysis in tracking speciation.
Marine Invertebrates
List examples of organisms in several marine invertebrate phyla, including their distinct structures and behaviors.