evolution of populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400...

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Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFE FORMING FOSSILS GEOLOGIC TIME SCALE EARTH FORMATION GRAB BAG Final Jeopardy

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Page 1: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

Evolution of Populations

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ANCIENT LIFE FORMING FOSSILS

GEOLOGIC TIME SCALE

EARTH FORMATION

GRAB BAG

Final Jeopardy

Page 2: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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©Norman Herr, 2003

Page 3: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Ancient Life-100

• ANSWER: Scientists who study fossils.• QUESTION: What are paleontologists?

Page 4: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Ancient Life-200

• ANSWER: Provides evidence about the history of life on earth

• QUESTION: What is the fossil record?

Page 5: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Ancient Life-300

• ANSWER: Over 99% of these have become extinct.

• QUESTION: What are species living on the earth?

Page 6: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Ancient Life-400

• ANSWER: They show how different groups of organisms have changed over time.

• QUESTION: What is the fossil record?

Page 7: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Ancient Life-500

• ANSWER: Over billions of years, ancient unicellular organisms have given rise to these modern unicellular organisms that do not have their DNA within a nucleus.

• QUESTION: What are modern bacteria?

Page 8: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

• ANSWER: Most fossils form in this type of rock.

• QUESTION: What is sedimentary rock?

Forming Fossils-100

Page 9: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Forming Fossils -200

• ANSWER: Dead organisms are buried by this prior to becoming a fossil.

• QUESTION: What is sediment?

Page 10: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Forming Fossils -300

• ANSWER: The length of time required for half the radioactive atoms in a sample to decay, or become another isotope of the element.

• QUESTION: What is radioactive dating?

Page 11: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Forming Fossils -400

• ANSWER: A species that is easily recognized, existed for a short period, and had wide distribution.

• QUESTION: What is an index fossil?

Page 12: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Forming Fossils -500

• ANSWER: The age of a fossil is determined by comparing its placement to placement with fossils in other layers of rock.

• QUESTION: What is relative dating?

Page 13: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Geologic Time Scale-100

• ANSWER: Paleontologist use divisions of this to represent evolutionary time.

• QUESTION: What is the geologic time scale?

Page 14: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Geologic Time Scale -200

• ANSWER: After Precambrian Time, these are the basic general divisions of the geologic time scale.

• QUESTION: What are eras and periods?

Page 15: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Geologic Time Scale -300

• ANSWER: The three eras between the Precambrian and the present.

• QUESTION: What are the Paleozoic, Mesozoic, and Cenozoic Eras?

Page 16: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Geologic Time Scale -400

• ANSWER: The era in which dinosaurs lived and in which mammals began to evolve.

• QUESTION: What is the Mesozoic Era?

Page 17: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Geologic Time Scale -500

• ANSWER: The era in which mammals became very common.

• QUESTION: What is the Cenozoic (or present) Era?

Page 18: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Earth Formation-100

• ANSWER: Hydrogen cyanide, carbon dioxide, carbon monoxide, nitrogen, hydrogen sulfide, and water.

• QUESTION: What is earth’s early atmosphere?

Page 19: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Earth Formation -200

• ANSWER: 3.8 billion years ago, oceans covered much of the earth, and this was first deposited in the water.

• QUESTION: What is sedimentary rock?

Page 20: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Earth Formation -300

• ANSWER: They performed experiments to determine how organic molecules first formed.

• QUESTION: Who are Urey and Miller?

Page 21: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Earth Formation -400

• ANSWER: Large organic molecules form tiny bubbles which have some characteristics of living organisms.

• QUESTION: What are proteinoid microspheres?

Page 22: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Earth Formation -500

• ANSWER: Some of these molecules can grow and duplicate themselves, which surprised scientists. Scientists believe this came before DNA.

• QUESTION: What is RNA?

Page 23: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Grab Bag-100

• ANSWER: Long stable periods of evolution, interrupted by brief periods of rapid change.

• QUESTION: What is punctuated equilibrium?

Page 24: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Grab Bag -200

• ANSWER: A single species, through natural selection, evolves into different forms that live in different ways.

• QUESTION: What is adaptive radiation?

Page 25: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Grab Bag -300

• ANSWER: Unrelated organisms evolve and begin to resemble one another.

• QUESTION: What is convergent evolution?

Page 26: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

QuestionAnswer

Grab Bag -400

• ANSWER: Two species evolve in response to changes in each other over time.

• QUESTION: What is coevolution?

Page 27: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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Grab Bag 500

• ANSWER: The theory in which eukaryotic cells formed from symbiosis among several different prokaryotic organisms.

• QUESTION: What is the Endosymbiotic Theory?

Page 28: Evolution of Populations 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ANCIENT LIFEFORMING FOSSILS

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FINAL JEOPARDY

• ANSWER: Georges Cuvier

• QUESTION: Who was the main founder of both comparative anatomy and paleontology?