BIOLOGY: CONCEPTS & INVESTIGATIONS
4th Edition
ISBN: 9781260366204
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 13, Problem 2MCQ
In fossils found in deeper layers of the Earth, how does the 14C compare to that of fossils found in the upper layers?
- a. Deeper fossils have more 14C.
- b. Deeper fossils have less 14C.
- c. All fossils have equal amounts of 14C.
- d. The layers have different types of 14C.
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Which is true concerning how fossils are used as evidence?
A.
Fossils cannot be compared to one another but can be compared to living organisms.
B.
Fossils can be compared to one another but not to living organisms.
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Fossils cannot be compared to one another or to living organisms.
D.
Fossils can be compared to one another and to living organisms.
An organism dies,and its body leaves an impression in mud. Over time, the mud hardens into rock, and the impression becomes a fossil. Which kind of fossil was formed?
A) cast
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Scientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact?
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The artifact is older than the index fossil.
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The artifact is younger than the index fossil.
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The artifact is approximately the same age as the index fossil.
d
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Chapter 13 Solutions
BIOLOGY: CONCEPTS & INVESTIGATIONS
Ch. 13.1 - What is the geologic timescale?Ch. 13.1 - What types of information provide the clues that...Ch. 13.2 - What are some of the ways that fossils form?Ch. 13.2 - Why will the fossil record always be incomplete?Ch. 13.2 - Distinguish between relative and absolute dating...Ch. 13.2 - How does radiometric dating work?Ch. 13.3 - How have the positions of Earths continents...Ch. 13.3 - How does biogeography provide evidence for...Ch. 13.4 - What can homologous structures reveal about...Ch. 13.4 - What is a vestigial structure? What are some...
Ch. 13.4 - What is convergent evolution?Ch. 13.5 - How does the study of embryonic development reveal...Ch. 13.5 - Prob. 2MCCh. 13.6 - How does analysis of DNA and proteins support...Ch. 13.6 - Prob. 2MCCh. 13.6 - How can molecular clocks help determine when two...Ch. 13.7 - How might the ability to crawl on land for short...Ch. 13.7 - Prob. 2MCCh. 13 - You discover that a 24,000-year-old fossil has one...Ch. 13 - In fossils found in deeper layers of the Earth,...Ch. 13 - Prob. 3MCQCh. 13 - Ground beetles (Carabus solieri) have useless hind...Ch. 13 - Prob. 5MCQCh. 13 - Prob. 6MCQCh. 13 - Prob. 7MCQCh. 13 - Explain the significance of the geologic timescale...Ch. 13 - Prob. 2WIOCh. 13 - Describe six types of fossils and how they form....Ch. 13 - The bubonic plague swept through western Europe in...Ch. 13 - Index fossils represent organisms that were...Ch. 13 - Prob. 6WIOCh. 13 - Prob. 7WIOCh. 13 - Why is it important for evolutionary biologists to...Ch. 13 - Prob. 9WIOCh. 13 - Prob. 10WIOCh. 13 - Prob. 11WIOCh. 13 - How do biologists use sequences of proteins and...Ch. 13 - Prob. 13WIOCh. 13 - Figure 13.25 Pull It Together: Evidence of...Ch. 13 - Prob. 2PITCh. 13 - Refer to figure 13.25 and the chapter content to...
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