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SECTION
10.5
EVOLUTIONARY BIOLOGY TODAY
Study Guide
KEY CONCEPT
New technology is furthering our understanding of evolution.
VOCABULARY
paleontology
MAIN IDEA: Fossils provide a record of evolution.
1. What are two reasons that the fossil record is not complete?
2. What is one example of a transitional fossil that has been found?
3. Why are transitional fossils important?
MAIN IDEA: Molecular and genetic evidence support fossil and anatomical evidence.
In a phrase, explain how each of the following contribute to evolutionary theory.
|Molecular Evidence |Contribution to Evolutionary Theory |
|4. DNA sequence analysis | |
|5. Pseudogenes | |
|6. Homeobox genes | |
|7. Protein comparisons | |
Unit 4 Resource Book Study Guide 17
McDougal Littell Biology
STUDY GUIDE, CONTINUED
MAIN IDEA: Evolution unites all fields of biology.
8. What two things combine to make up our modern evolutionary theory?
9. How has molecular evidence helped support fossil evidence in determining the early
ancestor of modern-day whales?
10. What is meant by the phrase “Evolution unites all fields of biology?”
Vocabulary Check
11. How does paleontology contribute to evolutionary biology?
Sketch it Out
Look at the fossil evidence of whale evolution shown in Figure 10.16. Sketch one part of the skeletons (such as the skull, forelimbs, hindlimbs, or ribcages) of each of the whale ancestors. Briefly describe their differences and propose how these differences are well-suited for the habitat in which the animals lived.
18 Study Guide Unit 4 Resource Book
McDougal Littell Biology
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CHAPTER 10
Principles of Evolution
Copyright © McDougal Littell/Houghton Mifflin Company.
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CHAPTER 10
Principles of Evolution
Copyright © McDougal Littell/Houghton Mifflin Company.
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