BIOLOGY: CONCEPTS AND INVESTIGATIONS
18th Edition
ISBN: 9781307301335
Author: Hoefnagels
Publisher: MCG/CREATE
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Chapter 13, Problem 7WIO
Summary Introduction
To determine:
The ages of the fossils found in eastern South America and western Africa without using the absolute or relative dating techniques
Concept Introduction:
The fossils are the old conserved remains found in the rocks the oldest rocks contain the fossil records of the earliest organisms, while the fossil remains of newly evolved organisms are complex as compared to that of simple organisms. The evolution can be studied with the help of fossil records.
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Chapter 13 Solutions
BIOLOGY: CONCEPTS AND 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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- Why do we need to know the age of a fossil?arrow_forwardWhich fossil would be the oldest in a given strata and why?arrow_forwardHow do we know how old a fossil is? A) We compare it to current species and see how much has changed B) We see how much soil is on top of it C) We use radiometric datingarrow_forward
- Briefly explain why Pangenesis theory is incorrectarrow_forwardWhich mechanism of fossil formation created a replica of an organism's original form? a natural cast b amber-preserved c permineralization d trace fossilarrow_forwardScientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact? a The artifact is older than the index fossil. b The artifact is younger than the index fossil. c The artifact is approximately the same age as the index fossil. d The artifact's age is not related to that of the index fossil.arrow_forward
- Organism A lived from 410 to 60 million years ago. Organism B lived from 200 to 100 million years ago. Which organism will be the better index fossil? (1)arrow_forwardThe____ tool industry characterizes the Middle Paleolithic / Middle Stone Age and spans the time from____ - ____ years ago. a. Acheulean; 1 million - 500,000 b. Oldowan; 200,000 - 100,000 c. Mousterian; 300,000 - 40,000 d. Mousterian; 100,000 - 10,000arrow_forwardWhat is the study of fossils called? Mention any three points how the fossils throw light on past life?arrow_forward
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