Biology (Holt)

CHAPTER 13 The Theory of Evolution 275

Quick Review Looking Ahead

Answer the following without referring to

earlier sections of your book.

1.Describethe structure of proteins.(Chapter 2,

Section 3)

2.Relatethe sequence of nucleotides in DNA

to the amino acid sequence in proteins.

(Chapter 10, Section 2)

3.Definegenetic mutations. (Chapter 10,

Section 2)

4.Describegene sequencing. (Chapter 11,

Section 1)

5.Summarizethe concept of radiometric dating.

(Chapter 12, Section 1)

Did you have difficulty? For help, review the

sections indicated.

Section 1

The Theory of Evolution by

Natural Selection

Darwin Proposed a Mechanism for Evolution

Evolution by Natural Selection

Darwin’s Ideas Updated

Section 2

Evidence of Evolution

The Fossil Record

Anatomy and Development

Biological Molecules

Section 3

Examples of Evolution

Natural Selection at Work

Formation of New Species

http://www.scilinks.org

National Science Teachers Association sciLINKS Internet

resources are located throughout this chapter.

Reading Activity

Create a Reader Response Log to record your

personal responses to the concepts presented

in this chapter. Divide your paper in half. On the

left side of the paper, copy a word, phrase, or

passage from the text. On the right side, write

your reactions, thoughts, or questions about

your entries from the text.

The body of the beautiful moving leaf insect closely

resembles the leaves on which it lives. Camouflage

such as this helps protect animals from predators.

The Theory

of Evolution

CHAPTER

13

6C

6A

6A

9A