Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 9SQ
Which of the following is not a fossil?
- a. Dried-out animal bones in a layer of desert sand
- b. A patch or fur encased in amber
- c. A woolly mammoth frozen in Arctic permafrost
- d. Remains of an extinct whalelike animal
- e. The impression of a p1ant leaf in sandstone
- f. The wrinkly texture of shale imprinted with biofilms in sediments
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Chapter 16 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 16 - Discovery of Iridium in the KPg Boundary Layer In...Ch. 16 - Discovery of Iridium in the KPg Boundary Layer In...Ch. 16 - The number of species on an island depends on the...Ch. 16 - Evolution ________. a. is change in a line of...Ch. 16 - The process in which environmental pressures...Ch. 16 - The dinosaurs died out ______ million years ago.Ch. 16 - The bones of a birds wing are similar to the bones...Ch. 16 - A trait is adaptive if it ______. a. arises by...Ch. 16 - Darwin and Wallace proposed the hypothesis that...Ch. 16 - Prob. 8SQ
Ch. 16 - Which of the following is not a fossil? a....Ch. 16 - Prob. 10SQCh. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Prob. 12SQCh. 16 - On the geologic time scale, life originated in the...Ch. 16 - Forces that cause geologic change include _____...Ch. 16 - Match the terms with the most suitable...Ch. 16 - Natural selection makes an adaptive trait more...Ch. 16 - Radiometric dating does not measure the age of an...Ch. 16 - If you think of geologic time spans as minutes,...
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- What kinds of tool artifacts were found in the cave near Denisovan specimens? A. Lithic cores B. Levallois cores C. Oldowan Choppers D. Both A and B E. Both A and Carrow_forwardWhat is meant by the term fossil fuel? a. In order to obtain energy from these fuels, a technique known as fossilization must be used. b. The fuel was formed from ancient plant and animal life, representations of which are sometimes found as fossil imprints. C. The fuel itself must be taken from older rock samples that frequently contain embedded fossil remains. 7.arrow_forward1. 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.arrow_forward
- Which of the following is not a fossil?a. Dried-out animal bones in a layer of desert sandb. A patch of fur encased in amberc. A woolly mammoth frozen in Arctic permafrostd. Remains of an extinct whalelike animale. The impression of a plant leaf in sandstonef. The wrinkly texture of shale imprinted withbiofilms in sedimentsarrow_forwardWhich of the following do not provide evidence that a meteor strike was a partial cause of the Cretaceous-Paleogene mass extinction? a. A potential meteor crater off the coast of Mexico b. High layers of iridium in soil deposits in the geologic record at that time c. Shocked quartz was formed in large quantities at that time around the potential impact site d. An ozone hole appeared in the atmosphere at the time of the meteor strikearrow_forwardThe Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, what ‘exploded’? a. The diversity of species on Earth, including many major animal phyla that exist today b. The Yucatan Peninsula, which was hit by an asteroid c. The quantity of oxygen in the atmosphere due to the expansion of coniferous forests d. Numerous volcanoes worldwide, leading to the fourth mass extinctionarrow_forward
- One type of fish fossil is found only in a rock layer near the bottom of a canyon, while a different kind of fish fossil is found only in a rock layer 4,000 feet higher, near the top of the canyon. Which statement would a scientist most likely offer to explain this situation? A.) The fish in the lower layer lived in the deep sea. While the other fish lived in shallow water. B.) The fish in the upper layer lived a healthier life than the other fish. C.) The rock in the lower layer is denser than the rock in the upper layer D.) The rock in the upper layer must have formed in freshwater E.) The fish in the upper layer lived more recently than the other fish. The Geologic Time Scale is a systematic chronological dating process that relates geological strata to time. This methodology is commonly used be geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that once occurred in history. Which of the following statements can be…arrow_forwardResearchers looking for fossils of the earliest life forms face many hurdles. For example, few sedimentary rocks date back more than 3 billion years. Explain why so few remaining samples of these early rocks remain.arrow_forwardWhich of the following did Stanley miller place in the experimental system to show that organic monomers could have risen from inorganic molecules on the early Earth? A. Only RNA B. Microspheres C. Purines and pyrimidines D. All of these are correctarrow_forward
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