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1 2 Biogenesis 3 Earth’s History 4 Charles Darwin.

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Presentation on theme: "1 2 Biogenesis 3 Earth’s History 4 Charles Darwin."— Presentation transcript:

1

2 1

3 2 Biogenesis

4 3 Earth’s History

5 4 Charles Darwin

6 5 Natural selection

7 6 Evidence of Evolution

8 7 Evolution in Action

9 8 $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 $100 $200 $300 $400 $500 Biogenesis Earth’s History Charles Darwin Natural Selection Evidence of Evolution Evolution in Action

10 9 Idea that life could come from nonliving things

11 10 What is spontaneous generation?

12 11 The reason maggots appear on rotting meat

13 12 What is flies lay eggs that hatch on the meat?

14 13 Scientist who disproved the spontaneous generation of flies

15 14 Who is Redi?

16 15 Scientist who disproved the spontaneous generation of microoganisms

17 16 Who is Pasteur?

18 17 Shape of the flask that prevented bacterial growth in broth for a year

19 18 What is S-shaped or curved?

20 19 Estimated age of the Earth

21 20 What is 4 billion years old?

22 21 This gas was missing from the early Earth atmosphere

23 22 What is oxygen (O 2 )?

24 23 Habitat for the first life forms on Earth

25 24 What are oceans and seas?

26 25 Besides UV radiation in the early atmosphere, this energy created simple amino acids

27 26 What is lightening or electricity?

28 27 These 2 scientist’s experiment simulated the atmosphere of early Earth & made amino acids

29 28 Who are Miller and Urey?

30 29 The ship Darwin sailed on as its naturalist

31 30 What is the H.M.S. Beagle?

32 31 Title of the book written by Charles Darwin

33 32 What is Origin of Species?

34 33 Islands studied by Charles Darwin

35 34 What are the Galapagos Islands?

36 35

37 36 The mechanism proposed by Darwin for evolutionary change

38 37 What is natural selection?

39 38 Darwin used this phrase for individuals competing with each other

40 39 What is the “struggle for existence” or survival of the fittest?

41 40 Individuals having different traits in a population

42 41 What is genetic variation?

43 42 Man responsible for this theory

44 43 Who is Charles Darwin?

45 44 A trait that makes an individual successful in its environment

46 45 What is an adaptation?

47 46 In order to pass on traits, an individual must do this

48 47 What is reproduce?

49 48 A measure of an individual’s genetic contribution to the next generation

50 49 What is fitness?

51 50 Remains or traces of an organism that died long ago

52 51 What is a fossil?

53 52 Term that means a species no longer exists

54 53 What is extinct?

55 54 Record of when different fossils were found and organisms existed

56 55 What is a geologic timescale?

57 56 Rock strata where the oldest fossils will be found

58 57 What are the bottom most layers?

59 58

60 59 Anatomical structures with similar structures but different functions

61 60 What are homologous structures?

62 61 Galapagos tortoises and finches were similar to the finches and tortoises found here

63 62 What is the mainland of South America?

64 63 Scientists study this macromolecule to determine if organisms are related

65 64 What is DNA or nucleic acid?

66 65 Evolution in when species develop similar characteristics because of living in similar environments

67 66 What is convergent evolution?

68 67 Type of evolution in which organisms with similar structures develop from a common ancestor

69 68 What is divergent evolution?

70 69 When species evolve and spread out to fill all parts of an environment

71 70 What is adaptive radiation?

72 71

73 72 Fossils

74 73 Technique used to determine the absolute age of a fossil

75 74 What is radiometric dating?


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