Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 11TYU
Evidence exists that a catastrophic collision between Earth and a large extraterrestrial body occurred 66 mya, resulting in the extinction of (a) worms, mollusks, and soft-bodied arthropods (b) jawless ostracoderms and jawed placoderms (c) dinosaurs, pterosaurs, and many gymnosperm species (d) mastodons, saber-toothed cats, and giant ground sloths (e) ferns, horsetails, and club mosses
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Chapter 21 Solutions
Biology (MindTap Course List)
Ch. 21.1 - Describe the conditions that scientists think...Ch. 21.1 - Compare the prebiotic soup hypothesis with the...Ch. 21.1 - Prob. 1CCh. 21.1 - How does the ironsulfur world hypothesis differ...Ch. 21.2 - Outline the major steps hypothesized to have...Ch. 21.2 - Explain how the evolution of photosynthetic...Ch. 21.2 - Prob. 5LOCh. 21.2 - Prob. 1CCh. 21.2 - Prob. 2CCh. 21.2 - VISUALIZE Draw a simple sketch illustrating the...
Ch. 21.3 - Briefly describe the distinguishing organisms and...Ch. 21.3 - What is the correct order of appearance in the...Ch. 21.3 - Prob. 2CCh. 21.3 - What is the correct order of appearance in the...Ch. 21 - Energy, the absence of molecular oxygen, chemical...Ch. 21 - Prob. 2TYUCh. 21 - Prob. 3TYUCh. 21 - According to the hypothesis of serial...Ch. 21 - Prob. 5TYUCh. 21 - Prob. 6TYUCh. 21 - Prob. 7TYUCh. 21 - The time of greatest evolutionary diversification...Ch. 21 - Prob. 9TYUCh. 21 - The Age of Reptiles corresponds to the (a)...Ch. 21 - Evidence exists that a catastrophic collision...Ch. 21 - Flowering plants and mammals diversified and...Ch. 21 - Prob. 13TYUCh. 21 - EVOLUTION LINK If you were studying how...Ch. 21 - EVOLUTION LINK If living cells were produced in a...Ch. 21 - EVOLUTION LINK Why did the evolution of...Ch. 21 - INTERPRET DATA Evidence for the oldest...
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- Which factor most likely caused animals and plants in India todiffer greatly from species in nearby southeast Asia?(A) The species became separated by convergent evolution.(B) The climates of the two regions are similar.(C) India is in the process of separating from the rest of Asia.(D) India was a separate continent until 45 million years ago.arrow_forwardYou are a Triassic dinosaur. Which of the following would you have been able to do? a) Eat an 8m tall fungus b) Eat a fruit c) Eat cycad seeds d) Stomp on some rotten wood e) Pollinate a flowerarrow_forwardIn the evolutionary tree of vertebrates, birds are most closely related to: a) Mammals b) Crocodiles c) Placoderms d) Salamandersarrow_forward
- The Age of Reptiles corresponds to the (a) Paleozoic era (b) Mesozoic era (c) Cenozoic era (d) Pleistocene epoch (e) Permian periodarrow_forward24.) Based on the tree on the right, which statement is not correct? a) The salamander lineage is a basal taxon b) Salamanders are a sister group to the group containing lizards, goats, and humans c) Salamanders are as closely related to goats as to humans d) Lizards are more closely related to salamanders than to humans Salamander Lizard Goat Humanarrow_forwardPenguins are flightless birds, however, they still have wings. This is an example of a (the) _______. A) Convergent Evolution B) Developmental homology C) HomoplasyD) Law of SuccessionE) Vestigial structure Then explain why the answer is correct and the others are notarrow_forward
- The term “Cambrian explosion” refers to (a) an increase in biodiversity. (b) a mass extinction. (c) an atmospheric detonation due to increasing gas concentrations. (d) an oceanic eruption caused by underwater volcanic activity.arrow_forwardAncient mammals became abundant during this period: a) Jurassic b) Triassic c) Carboniferous d) Ordovicianarrow_forwardThe only living group of mammals that lay eggs rather than give birth to live young are called: A) marsupials B) monotremes C) placentals D) eutheriansarrow_forward
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