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.
Compare and contrast hominin evolution through the years using the following criteria:
Species
Social and cultural behaviour
Anatomy (ex. skull)
Habitat
Which hominins might be ancestral to us choose one that you find especially interesting (except H. sapiens) and explain how it fits into the picture of the Hominin family?
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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- What is the difference between a "derived" versus a “primitive" trait? Give an example of both, seen in Au. afarensis. Which of the paleoenvironment hypotheses have been used to describe early hominin diversity, and which have been used to describe bipedalism? Which anatomical features for bipedalism do we see in early hominins? Are these primarily obligate bipeds? Explain. Describe the dentition of gracile and robust australopithecines. What might these tell us about their relative diets? List the hominin species argued to be associated with stone tool technologies. Are you convinced of these associations? Why/why not?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 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_forward
- Explain how genetic data are consistent with the possibility that only male Neanderthals interbred with our ancestors.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_forwardDescribe three derived characteristics of mammals which are advantageous to the occupation of a variety of habitats. Identify three novel characteristics that distinguish hominins from other apes and mammals.arrow_forward
- Evolution in Humans 1) explain how fossil evidence is used to reconstruct the hominid history 2) explain how genetic evidence is used to document changes in species and populations over time 3) describe several techniques that paleontologists today use to establish fossil agearrow_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_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_forward
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FOSSIL FRIDAY: Primate Evolution | Grades 7-10; Author: Museum of the Rockies;https://www.youtube.com/watch?v=9tVLfvm3AFk;License: Standard YouTube License, CC-BY