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 34.7, Problem 2CC
Provide an example in which different features of organ- isms in the hominin evolutionary lineage evolved at different rates.
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Identify whether the evolution of the hominins support a scenario of slow, incremental change or punctuated equilibrium and explain why.
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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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- Where on this cladogram would the derived trait of using their front teeth as a “third hand” be placed? This a trait exhibited by Neanderthals.arrow_forwardExplain the pattern of human evolution in reference to each of the four trends of hominin mosaic evolution (cranial capacity, bipedalism, dental arcades, the growth of language).arrow_forwardExplain how genetic data are consistent with the possibility that only male Neanderthals interbred with our ancestors.arrow_forward
- Explain the pattern of human evolution according to each of the four trends of hominin mosaic evolution: a large brain, transition to bipedality, dental arcades, and the growth of language.arrow_forwardlist TWO similarities between early members of the genus Homo (e.g. H. habilis) and Homo erectus/ergaster that earlier hominins (e.g. gracile Australopithecines) do not have?arrow_forwardCompare the behavior and anatomical characterstics of early and later homininsarrow_forward
- Does the evolution of the hominins support a scenario of slow, incremental change or punctuated equilibrium? Explain.arrow_forwardExplain the change in the classification of hominids in recent years. What hominoids are we now considered to be most closely related to?arrow_forwardUsing analogy / comparative method, describe what the first hominin who moved out of the trees and onto the ground likely looked like. Be sure to describe how you came to that conclusion.arrow_forward
- Describe the Basic Trends in Hominid Evolution BRAIN SIZE JAW SIZE LANGUAGE TOOLSarrow_forwardDraw an evolutionary tree representing the hominins from 7 million years to the present. You can use a combination of dotted and solid lines to indicate descent.arrow_forwardLinear evolution suggests that there is a ladder, or step- progression, to evolution over time one species building and transitioning into another species. A bushy interpretation of evolution suggests multiple overlapping species of hominins, with some species short-lived, and others existing for a long period of time. What type of evolutionary model does A. sediba support? Explain your answer.arrow_forward
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