BIOLOGY: CONCEPTS & INVESTIGATIONS
4th Edition
ISBN: 9781260366204
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 13, Problem 5WIO
Index fossils represent organisms that were widespread but lived during relatively short periods of time. How might index fossils be useful in relative dating?
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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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- What assumption is made during the relative dating of fossils?arrow_forwardOrganism 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_forwardWhat kind of fossils were formed out of dinosaur remains and activities? Why do you say so? (Give three)arrow_forward
- How do we know the age of a fossil?arrow_forwardMost fossils are formed of the______ parts of an organismarrow_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
- 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 B) mold C) original material D) trace fossilarrow_forwardFILL IN THE BLANKS Biologists most often use ____________ for radioisotope dating, but its half-life is relatively ____________. Relative dating determines the relative age of rocks/fossils by ____________ them to known older or younger layers.arrow_forwardIn which type of rock are you most likely to find a fossil? a. basalt, a dark, fine-grained volcanic rock b. limestone, composed of sedimented calcium carbonate c. slate, a volcanically melted and cooled shale d. granite, which forms by crystallization of magma cooling below Earth’s surfacearrow_forward
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