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Discover Biology, 4th Full Edition | StudySpace

Biology in the News

Unit 1
- 1
- 2
- 3
- Interlude A
  - Organize
    - Study Plan
    - Flash Cards
  - Learn
  - Connect
    - Biology in the News
Unit 2
- 4
- 5
- 6
- 7
- 8
- 9
- Interlude B
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    - Biology in the News
Unit 3
- 10
- 11
- 12
- 13
- 14
- 15
- Interlude C
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    - Biology in the News
Unit 4
- 16
- 17
- 18
- 19
- Interlude D
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    - Biology in the News
Unit 5
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- Interlude E
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    - Biology in the News
Unit 6
- 31
- 32
- Interlude F
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    - Biology in the News
Unit 7
- 33
- 34
- 35
- 36
- 37
- 38
- Interlude G
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    - Biology in the News

Chapter 19

Chapter 19: The Evolutionary History of Life

What's News Quizzes

Please read this article, Fish Fossil Yields Anatomical Clues on How Animals of the Sea Made It to Land , and answer the following questions.

1. What were some of the changes which took place during the transition of marine vertebrates evolving into land animals?

a) Fins evolved to limbs.
b) Head and braincase changed.
c) The neck became more mobile
d) All of the above

2. What is the name of the fossil fish with the anatomical changes discussed in this article?

a) Hyomandibula
b) Tiktaalik
c) Nunavut
d) None of the above

3. How does the hyomandibula compare between primitive fish and the fossil fish described in this study?

a) The primitive hyomandibula was much smaller.
b) The primitive hyomandibula was much larger.
c) The hyomandibula was the same in both fish.
d) None of the above

4. Why was it important that the fossil was isolated from the Devonian Age rocks?

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