2 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781264439218
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 21.4, Problem 3LO
Summary Introduction
To determine: The evolutionary trends revealed by the study of horse evolution.
Introduction: The study of fossil reveals that the evolution of a horse is much more complex and multi-branched.
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Discuss any five adaptive traits that enable camels to survive in arid environmental conditions
Explain why these ecological and physiological trait(s) are vital to the survival and persistence of the animal population. Put emphasis on the importance of adaptation to the environment and the development of these traits.
1) choose a unique behavior or a defining biological feature of the animal;
2) describe at least one distinct ecological condition(s) affecting the species/population (e.g. habitat type where they are found; food resource or prey item; etc.)
3. explain why these ecological and physiological trait(s) are vital to the survival and persistence of the animal population. Put emphasis on the importance of adaptation to the environment and the development of these traits.
Chapter 21 Solutions
2 SEM ACC W/RAVEN CARDED
Ch. 21.1 - Prob. 1LOCh. 21.1 - Prob. 2LOCh. 21.2 - Prob. 1LOCh. 21.2 - Distinguish between demonstrating that evolution...Ch. 21.3 - Contrast the processes of artificial and natural...Ch. 21.3 - Prob. 2LOCh. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Explain the evolutionary significance of...
Ch. 21.5 - Prob. 2LOCh. 21.6 - Prob. 1LOCh. 21.6 - Prob. 2LOCh. 21.7 - Characterize the criticisms of evolutionary theory...Ch. 21.7 - Prob. 2LOCh. 21 - Suppose that a male with a beak depth of 10 mm...Ch. 21 - Prob. 1IQCh. 21 - Prob. 2IQCh. 21 - Prob. 3IQCh. 21 - Why might the evolutionary line leading to...Ch. 21 - Artificial selection is different from natural...Ch. 21 - Gaps in the fossil record a. demonstrate our...Ch. 21 - The evolution of modern horses (Equus) is best...Ch. 21 - Homologous structures a. are structures in two or...Ch. 21 - Convergent evolution a. is an example of...Ch. 21 - Prob. 6UCh. 21 - The possession of fine fur in 5-month human...Ch. 21 - In Darwins finches, a. occurrence of wet and dry...Ch. 21 - Prob. 2ACh. 21 - Convergent evolution is often seen among species...Ch. 21 - What conditions are necessary for evolution by...Ch. 21 - Explain how data shown in figure 21.2a and b...Ch. 21 - Prob. 3SCh. 21 - Refer to figure 21.5, artificial selection in the...Ch. 21 - The ancestor of horses was a small, many-toed...
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- Explain the difference between generalized and specialized characteristics. What are examples of each in terms of the adaptive potential? Define the term “adaptive radiation” and explain why it is important to the principle of evolution. Why was adaptive radiation especially important to mammals’ eventual rapid evolutionary success and diversification? What are some of the different groups of mammals?arrow_forwardWhat are two ways in which domesticated animals have impacted human society? Explain in detail.arrow_forwardDiscuss the relationship between the wild animals and their domesticated pets and identify the possible pattern of descent with modification from their common ancestor. (Explain your answer briefly)arrow_forward
- Explore the research narrative of two evolutionary biologists who investigated the evolution of Galapagos finches over multiple decades here: https://www.biointeractive.org/classroom-resources/interactive-assessment-beak-finch Answer the assessment questions at the end of the videoarrow_forwardDescribe an example of where fossils have been used to reconstruct the behavior of extinct animals.arrow_forwardSelect all of the traits provided below that appear in this specimen:arrow_forward
- Choose all of the correct statements about complex adaptations: Complex adaptations might evolve through a combination of of gene recruitment and promiscuous proteins. The parts of a complex adaptation may have evolved for a different function originally. Complex adaptations require all parts of the adaptation to evolve simultaneously. Complex adaptation do not evolve by natural selection. Complex adaptations are composed of multiple, different traits, such as behavior and physiology. Complex adaptations are 'irreducibly complex'. Complex adaptations are the result of parallel evolution. omplex adaptations always take thousands of years to evolve.arrow_forwardHow many genera of horses currently exist (i.e., are NOT extinct)?arrow_forwardWhat is the common ground between evolutionary biologists and developmental biologists who have adopted the perspective known as Evo Devo?arrow_forward
- Is this evolutionary conservation of the pecten structure evidence that natural selection might be maintaining the pecten in its present form in many bird species? Is this theory one that suggests the pecten has a significant adaptive function in birds? Do you believe that experiments might be useful in determining the adaptive function of the pecten if it indeed serves an adaptive function? Outline a simple experiment to see whether the presence of a pecten in the bird's eye is an adaptation.arrow_forwardWhat are some of the similarities and differences between early processes of animal domestication and ongoing, contemporary processes of those same animals?arrow_forwardWhat is the expected evolutionary change in mean leg length due to selection on both wings and legs?arrow_forward
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