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Guide 7B

Evidence

Piece together the past.

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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.

Evidence Product Page

If you would like the goal insight of looking ahead to the products you will be making after completing this guide’s five activity pages, start with the product page.

Previous Guide

7A: Geologic Time

Next Guide

7C: Knowledge

Learn more about Evidence

If you would like to learn more about the topics introduced in this course, please visit the resources page.