BIOLOGY -TEXT
14th Edition
ISBN: 9781260710878
Author: Mader
Publisher: RENT MCG
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Chapter 18.2, Problem 1CYP
Determine the age of a fossil that contains 25% of its original14C.
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BIOLOGY -TEXT
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- Explain why it is difficult to use carbon-14 dating on 100-million-year-old dinosaur fossilsarrow_forwardWhen a radio-isotope in a fossil with a half-life of 4,000 years has been reduced to 25% of its original amount, how old is the fossil?arrow_forwardList 5 examples of types of fossils.arrow_forward
- How do we know the age of a fossil?arrow_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_forwardIn your own words, differetiate fossils and trace Fossils.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_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_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_forward
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Fossil: The Language & History of Paleontology; Author: Alliterative;https://www.youtube.com/watch?v=x9yNwRBlKtU;License: Standard youtube license