Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 34, Problem 5TYU
As hominins diverged from other primates, which of the following appeared first?
(A) reduced jawbones
(B) an enlarged brain
(C) the making of stone tools
(D) bipedal locomotion
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Chapter 34 Solutions
Campbell Biology (11th Edition)
Ch. 34.1 - Identify four derived characters that all...Ch. 34.1 - Prob. 2CCCh. 34.1 - VISUAL SKILLS Based on the phylogenetic tree...Ch. 34.2 - How are differences in the anatomy of lampreys and...Ch. 34.2 - WHAT IF? In several different animal lineages,...Ch. 34.2 - WHAT IF? Suggest key roles that mineralized bone...Ch. 34.3 - What derived characters do sharks and tuna share?...Ch. 34.3 - Describe key adaptations of aquatic gnathostomes.Ch. 34.3 - draw it Redraw Figure 34.2 to show four lineages:...Ch. 34.3 - WHAT IF? Imagine that we could replay the history...
Ch. 34.4 - Prob. 1CCCh. 34.4 - Some amphibians never leave the water, whereas...Ch. 34.4 - WHAT IF? Scientists think that amphibian...Ch. 34.5 - Describe three key amniote adaptations for life on...Ch. 34.5 - Prob. 2CCCh. 34.5 - Identify four avian adaptations for flight.Ch. 34.5 - VISUAL SKILLS Based on the phylogeny shown in...Ch. 34.6 - Prob. 1CCCh. 34.6 - Prob. 2CCCh. 34.6 - MAKE CONNECTIONS Develop a hypothesis to explain...Ch. 34.7 - Identify some characters that distinguish hominins...Ch. 34.7 - Provide an example in which different features of...Ch. 34.7 - WHAT IF? Some genetic studies suggest that the...Ch. 34 - Describe likely features of the common ancestor of...Ch. 34 - Identify the shared features of early fossil...Ch. 34 - How would the appearance of organisms with jaws...Ch. 34 - Which features of amphibians restrict most species...Ch. 34 - Explain why birds are considered reptiles.Ch. 34 - Describe the origm and early evolution of mammals.Ch. 34 - Vertebrates and tunicates share (A) jaws adapted...Ch. 34 - Living vertebrates can be divided into two major...Ch. 34 - Unlike eutherians, both monotremes and marsupials...Ch. 34 - Which clade does not include humans? (A)synapsids...Ch. 34 - As hominins diverged from other primates, which of...Ch. 34 - Which of the following could be considered the...Ch. 34 - Prob. 7TYUCh. 34 - SCIENTIFIC INQUIRY DRAW IT As a consequence of...Ch. 34 - Prob. 9TYUCh. 34 - SYNTHESIZE YOUR KNOWLEDGE This animal is a...
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- In vertebrates, what anatomical structure partially or completely replaces the notochord? 1.) lateral-line system 2.) cartilage or a bony skeleton 3.) endostyle 4.) dorsal hallow nerve cordarrow_forwardThe evolution of which of the following features of mammals is hardest to trace through the fossil record? a. Jaw structure b. Mammary glands c. Middle ear structure d. Development of hairarrow_forwardAccording to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what do scientists think the Denisovans looked like? What features are similar to our species and what features are different? A.Denisovans teeth are larger than ours and more like Australopithecines B.They probably had bigger brow ridges than us and more facial prognathism than us C.They had broad shoulders, wide hips and a stocky stature D.All of the abovearrow_forward
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- Classic Neanderthal limb bones suggest that: A. the Neanderthals probably had limited manual dexterity, which probably accounts for the crudeness of Mousterian (= Middle Paleolithic) stone tools. B. even Neanderthal children had difficulty walking erect. C. the Neanderthals were stocky, heavily muscled people. D. the Neanderthals averaged over six feet tall. E. the Neanderthals had apelike limb proportions, including exceptionally long arms.arrow_forwardMammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of: a. Embryonic developmen, b. How the young are fed and c. Period of gestationarrow_forward1. a) List 5 distinguishing factors of reptiles and their similar characteristics to birds. b) How can you establish the evolutionary relationship between reptiles and birds? c) Amniotes are divided into three groups based on their skull morphologies. What are these three groups, and how do their skulls differ? Which living amniotes have originated from each of these three groups? 2. Fill in the table below. Compare the different orders within each class.arrow_forward
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