College Level Evolution

Page 141

QUIZ 1. What is true of a Lazarus taxon? a. It mainly applies to those organisms that have shown up in the fossil record. b. It does not exist today because researchers keep closer track of extinct species. c. It involves all living and previously living forms of life, even if their presumed extinction was recent. d. It mainly involves species with long lifespans that reproduce under circumstances where the taxon’s numbers are rare. Answer: c. The phenomenon of the Lazarus taxon applies to past or presently living organisms that were once considered extinct but have been later rediscovered. All types of organisms can have Lazarus taxa. 2. A species that has survived unchanged for many millions of years on earth is called what? a. Extant species b. Lazarus species c. Elvis species d. Living fossil Answer: d. A living fossil is a type of species that has survived relatively unchanged in nature for hundreds of millions of years for whatever reason. 3. What is a species called that affects the populations of many other species called? a. Umbrella species b. Keystone species c. Apex predator d. Flagship species

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Course Questions and Answers

1hr
pages 212-279

Summary

6min
pages 208-211

Key Takeaways

0
page 203

Quiz

2min
pages 204-207

Future of the Planet with Global Warming

4min
pages 200-202

Human Extinction

2min
page 199

Ways Humans Might Evolve

2min
page 198

Quiz

2min
pages 192-194

Evolution of Senescence

4min
pages 188-190

Host and Pathogen Evolution

2min
page 187

Disease Susceptibility

2min
page 186

Quiz

3min
pages 180-183

Key Takeaways

0
page 179

Mosaic Coevolution

0
page 178

Antagonistic Coevolution

1min
page 177

Host-Parasite Coevolution

1min
page 176

Quiz

2min
pages 168-171

Key Takeaways

0
page 167

Coevolution and Mutualism

1min
page 175

Cooperation in Populations

2min
page 163

Group Living

2min
page 164

Hardy-Weinberg Model

1min
page 162

Quiz

3min
pages 155-158

Key Takeaways

0
page 154

Sex and Mate Selection

3min
pages 152-153

Mating Systems

1min
page 151

Quiz

3min
pages 141-144

Evolution of Sexual Reproduction

6min
pages 147-149

Key Takeaways

0
page 140

Mass Extinction

6min
pages 136-139

Background Extinction

2min
page 135

Quiz

2min
pages 127-130

Key Takeaways

0
page 126

Evolution before the Homo Genus

1min
page 121

Modern Human Evolution

1min
page 125

Evidence for Human Evolution

2min
page 120

Evolution of the Homo Genus

4min
pages 122-123

Human Migration

1min
page 119

Human Structural Changes

3min
pages 117-118

Human Evolution

1min
page 116

Quiz

3min
pages 110-113

Key Takeaways

0
page 109

Speciation and Modes of Speciation

4min
pages 106-107

Genetics of Speciation

1min
page 108

Quiz

3min
pages 99-102

Key Takeaways

0
page 98

Transition to Group Living

3min
pages 96-97

Evolution of Individuality

2min
page 95

Origin of Eukaryotes

2min
pages 91-92

Evolution of Multicellularity

4min
pages 93-94

Prokaryotic Cell and Eukaryotic Cell Evolution

6min
pages 82-85

Quiz

2min
pages 87-90

Viral Evolution

2min
page 81

Early Forms of Life

1min
page 80

Quiz

2min
pages 70-73

Key Takeaways

0
page 69

Genetic Processes

6min
pages 61-64

Genetic Variability and Mutation

1min
page 67

History of Genetics

1min
pages 59-60

Mendelian Genetics

2min
pages 65-66

Mutations

2min
page 68

Quiz

3min
pages 54-57

Key Takeaways

0
page 53

Phylogenetics and Molecular Phylogenetics

2min
pages 51-52

Adaptation, Fitness, and Reproductive Success

8min
pages 32-35

Phylogenic Trees

3min
pages 46-48

Key Takeaways

0
page 38

Quiz

2min
pages 39-42

Cladistics

2min
pages 49-50

Quiz

3min
pages 23-26

Key Takeaways

0
page 22

The Story of Darwin

3min
pages 20-21

Evolutionary Thought in Ancient Times

2min
page 15

Nineteenth Century Evolution

4min
pages 17-18

Christian Philosophies on Evolution

2min
page 16

Preface

6min
pages 8-11

Timeline of Evolutionary Theories

1min
page 14

After Darwin and Natural Selection

1min
page 19
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