7. Fossils can form in several ways. (A) Explain 2 of the more common ways that fossils form and how they differ from one another. (B) If a wooly mammoth was discovered frozen in ice, what would be the most likely technique used to date the remains? Explain why. (C) If a dinosaur fossil was found in a deep layer of sandstone exposed along the walls of a canyon in Utah, how would this fossil be dated (most likely)?

7. Fossils can form in several ways. (A) Explain 2 of the more common ways that fossils form and how they differ from one another. (B) If a wooly mammoth was discovered frozen in ice, what would be the most likely technique used to date the remains? Explain why. (C) If a dinosaur fossil was found in a deep layer of sandstone exposed along the walls of a canyon in Utah, how would this fossil be dated (most likely)?

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter16: Evidence Of Evolution

Section: Chapter Questions

Problem 6SQ: Which of the following is a fossil? a. an insect encased in 10-millon-year-old tree sap b. a woolly...

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What events apparently triggered the mass extinction at the end of the Permian period?
(1) What is the most common way for a dead organism to avoid decomposition? (2) Why do researchers look for fossils in places that are now dry and barren instead of other places like forests or grasslands? (3) What kind of dating from the lecture or textbook would be the best method for finding the number of years ago when a volcanic rock was formed? (4) Why is the pelvis of a biped shorter and wider than the pelvis of a quadruped? (5) Does the overall shape of Lucy’s pelvis resemble the human pelvis or the chimpanzee pelvis more? Do not think of the size, but compare the outlines of each bone. This is Lucy's skelton below.
Geology and the Geological Time Chart. Using the Geological Time Chart. answer the following questions. __________________ After the Cretaceous/Tertiary extinction, what group of animals started to diversify? __________________ During which era did the first animals with backbones become evident? __________________ During which period did the first mammals become evident? __________________ Did flowering plants exist during when the dinosaurs first appeared? What would you say to someone who told you they have a fossilized rabbit skeleton that was from the Carboniferous period?
4) What makes Archeopteryx an important fossil evolutionarily? A)This species has a mix of characters that suggest it was a "transitional" species between two large groups, dinosaurs and birds. B)This species is the oldest known, universally agreed upon, fossil of life, and therefore tells up what the common ancestor to all living things might have been like. C)This species has a mix of characters that suggests is was a "transitional" species between two large groups, fish and amphibians. D)This species is thought to be the last common ancestor between chimps and humans, and therefore is the root of our own specific group (homonins).
1. Fossils are remains of ancient organisms found in the rocks are categorized depending on their age. How do researchers determine the fossil’s actual age? a. absolute dating b. relative dating c. structural dating d. precise age datin 2.
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The time of greatest evolutionary diversification in the history of life occurred during the (a) Cambrian period (b) Ordovician period (c) Silurian period (d) Carboniferous period (e) Permian period
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Which of the following is a fossil? a. an insect encased in 10-millon-year-old tree sap b. a woolly mammoth frozen in Arctic permafrost for the last 50,000 years c. mineral-hardened remains of a whalelike animal found in an Egyptian desert d. an impression of a plant leaf in a rock e. all of the above can be considered fossils
What do you think geologists would find in the rock record as evidence of human life today million years later? Do you think we will leave a lot of traces and evidences of our existence in the fossil record?