Download Evolution Part I - Guiding Questions

Unit 4 Biology
Evolution Part I
Guiding Questions
1. What is the definition of evolution?
2. Does evolution refer to changes that occur to an individual within its own lifetime?
3. What does the modern theory of evolution state about all living organisms?
4. How did De Maillet explain evolution in the 17th century?
5. What did Eramus Darwin believe about evolution?
6. How did Lamarck believe that evolution occurred?
7. Why does Robert Chambers 19th century view of evolution have no scientific status?
8. What were the two contrasting views of evolution in the 19th century?
9. What are the key ideas related to evolution?
10. How did Charles Darwin and Alfred Wallace propose that evolution occurred?
11. What islands did Charles Darwin visit prior to developing his theory of evolution
12. What is Neo-Darwinism?
13. Other than the gradual change over time model proposed by Darwin and Wallace, how can
new species be produced?
14. When did James Ussher calculate the Earth was created?
15. How old did James Hutton conclude the Earth was?
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What important idea did Charles Lyell recognise?
How did Lord Kelvin estimate the Earth to be?
Why was his estimate too low?
How did John Joly estimate the Earth to be?
How old was the Earth calculated to be based on sedimentation rates?
How was radiometric dating and a meteorite used to determine the age of the Earth?
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How old do we now know the Earth to be?
How was the geologic time scale developed initially?
When were the absolute ages of the various geological periods determined?
When did the first multicellular animals appear in the fossil record?
When did the first members of our species (H. sapiens) appear on Earth?
27. What are the four geological eras?
28. When was the Precambrian Era?
29. What key events does the Precambrian encompass?
30. When was the Palaezoic Era?
31. How many periods can the Palaezoic Era be divided into?
32. What were the key events/features of each period?
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When was the Mesozoic Era?
What is it often described as?
How many periods can it be divided into?
What were the key events/features of each period?
37. When was the Cenozoic Era?
38. What are the two periods into which it is divided?
39. What is the difference between relative and absolute age?
40. How is stratigraphy used to infer relative age?
41. How are index fossils used to infer relative age?
42. What is the radiometric dating technique based on?
43. Where are the radioactive isotopes used for dating found?
44. Why can’t absolute age dating be applied to sedimentary rock?
45. What is a half life?
46. How does potassium-argon dating work?
47. How does carbon 14 dating work?
48. What can C-14 dating be used on?
49. What is the upper limit of C-14 dating?
50. What is thermoluminescence?
51. What can it be used to date?
52. How does thermoluminescence work?
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What is ESR?
What time period is ESR useful for dating artefacts from?
What can ESR be used to estimate?
What do scientists measure during ESR?