Unit 2: Cells



AP Biology Unit 11 – Evolution

Name____________________________________ Block ____ Date______________________

Timeline: March 27 – April 7

Textbook readings: Chapters 25.5-25.6, 26, 23, and 24

Labs: Molecular Phylogeny, Hardy-Weinberg Modeling, speciation case study

Essential Questions

• What are different types of evidence for evolution?

• What are some principles underlying phylogeny?

• How do molecular sequences complement other data showing evolutionary relationships?

• How does molecular data improve our ability to classify organisms?

• What microevolutionary forces shape populations over time?

• What macroevolutionary forces are observed that contribute to the evolution of new species?

Unit Outline

I. Molecular Evolution, Phylogeny, and Systematics

a. Binomial nomenclature

b. Classification and phylogeny

c. Constructing evolutionary trees

d. Molecular phylogeny

e. Molecular clocks

II. Microevolution

a. Hardy-Weinberg equilibrium

b. Non-evolving populations

c. Variation and natural selection

d. Modes of selection

e. Contemporary example: The “pesticide treadmill” and Bt crops

III. Macroevolution

a. Barriers that isolate species

b. Species concepts

c. Modes and tempo of speciation

|Monday |Tuesday |Wednesday |Thursday |Friday |

|March 26 |Mar 27 |Mar 28 |Mar 29 |Mar 30 |

| | |Analyze open response, do | |Fly behavior presentations |

|Chapter 51 |C block drops |fruit loop lab |Ethograms, fly behavior lab |(4th quarter grade) |

|Animal behavior | | | | |

|April 2 |April 3 |April 4 |April 5 |April 6 |

| | | | | |

|No homework |C block drops |Read notes study guide |Read notes study guide |Read, notes, study guide |

|due | |chapter 23 |chapter 24 |chapter 26 |

| | | |Hardy-Wberg lab | |

|April 9 |April 10 |Apr 11 |Apr 12 |Apr 13 |

|Review; have review packet | | | | |

|completed and bring study |C block drops |Unit 11 TEST |Molecular phylogeny lab | |

|guide book to class | |Molecular phylogeny lab | |Unit 12 |

|April 16 |April 17 |April 18 |April 19 |April 20 |

| | | | | |

|Vacation week |Vacation |Vacation |Vacation |Vacation |

The “Big Ideas” of AP Biology: In each unit, consider how these themes relate to what you learn.

1 – The process of Evolution drives the diversity and unity of life

2 – Biological systems utilize free energy and molecular building blocks to grow and to maintain dynamic homeostasis

3 – Living systems store, retrieve, transmit and respond to information essential to life

4 – Biologic systems interact, and these systems and their interactions possess complex properties

Chapter 23: The Evolution of Populations

1. What was the “modern evolutionary synthesis?”

2. What is Hardy-Weinberg theorem? H-W equilibrium? H-W equation? Assumptions of H-W?

3. What is microevolution? What can cause microevolution?

4. What is the importance of genetic variation in natural selection? Describe variation within populations, between populations, and the two main sources of genetic variation.

5. Describe three modes of selection.

Chapter 24: The Origin of Species

1. What is speciation? Describe two patterns of speciation (anagenesis and cladogenesis).

2. Describe the barriers that isolate gene pools of a biological species.

3. Differentiate between the five species concepts described in your text.

4. Describe two modes of speciation (allopatric and sympatric). What events can lead to speciation?

5. Describe the two models that are used to describe the tempo of speciation.

Chapter 26: Phylogeny and The Tree of Life

1. What is binomial nomenclature? How does it relate to hierarchical classification? (review notes from Unit 2)

2. What is phylogeny, and how do phylogenies show evolutionary relationships?

3. How can a cladogram be constructed, using morphological and molecular shared and derived characters?

4. How can molecular clocks help track evolutionary time?

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