cc214 008 010 l3 sn 889433.indd page 8 2/18/10 3:36:30 am u …€¦ · comparative anatomy...

62 The Environment and Change Over Time

Lesson 3

Skim Lesson 3 in your book. Read the headings and look at the photos and illustrations. Identify three things you want to learn more about as you read the lesson. Record your ideas in your Science Journal.

Biological Evidence of EvolutionC

opyright © G

lencoe/McG

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I found this on page .

Clarify why a diagram of evolution looks more like a bush than a straight line.

Organize information about comparative anatomy.

Comparative Anatomy

Definition:

HomologousStructures:

Vestigial Structures:

Analogous Structures:

Sequence the development of the pharyngeal pouch in different species. Express the conclusion of scientists in embryology.

All vertebrate embryos have a pharyngeal pouch.

Development:

fish

reptile

bird

human

Conclusion:

Evidence for EvolutionI found this on page .





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The Environment and Change Over Time 63

Lesson 3 | Biological Evidence of Evolution (continued)C

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Identify two ways in which molecular biology has affected the theory of evolution.

1.

2.

Assess how genes support the theory of evolution.

All genes are

Organisms came from

All genes work

All organisms on Earth

All organisms are

Relate four areas of study that provide evidence of relationships between living and extinct species.

Evidence for Evolution



The Study of Evolution TodayI found this on page .

Analyze It Use the analogy of building blocks to explain how genes relate to the diversity of life.


64 The Environment and Change Over Time

Review The Environment and Change Over Time

Copyright ©

Glencoe/M

cGraw

-Hill, a division of T

he McG

raw-H

ill Com

panies, Inc.

Chapter Wrap-UpNow that you have read the chapter, think about what you have learned. Complete the final column in the chart on the first page of this chapter.

Use this checklist to help you study. Complete your Foldables® Chapter Project.

Study your Science Notebook on this chapter.

Study the definitions of vocabulary words.

Reread the chapter, and review the charts, graphs, and illustrations.

Review the Understanding Key Concepts at the end of each lesson.

Look over the Chapter Review at the end of the chapter.

Summarize It Reread the chapter Big Idea and the lesson Key Concepts. Summarize what you learned about species of horses throughout the chapter. Use as many of the chapter vocabulary words as you can.

Challenge Choose an animal species that interests you. Research what scientists have discovered about the origin of that species. Draw a diagram that shows a “tree” with the animal’s related species over evolutionary time. Share your diagram with your class.


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