EBK BIOLOGY
10th Edition
ISBN: 8220100474729
Author: Martin
Publisher: Cengage Learning US
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Chapter 42, Problem 9TYU
Summary Introduction
To identify: The general trends in the evolution of the vertebrate brain.
Introduction: Central nervous system (CNS) and the peripheral nervous system (PNS) make up the vertebrate nervous system. Highly developed brain and a spinal cord are the parts of the central nervous system. CNS and mainly the brain is responsible for integrating information and responding appropriately to the given stimulus which may be external or internal. Over the course of evolution, the vertebrate brain has been subjected to some changes to become more effective.
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What general trends can you identify in the evolution of the vertebrate brain?
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Chapter 42 Solutions
EBK BIOLOGY
Ch. 42.1 - Prob. 1LOCh. 42.1 - Identify trends in the evolution of invertebrate...Ch. 42.1 - Prob. 1CCh. 42.1 - Prob. 2CCh. 42.1 - What are some advantages of cephalization?Ch. 42.2 - Prob. 3LOCh. 42.2 - Prob. 1CCh. 42.2 - Describe the functions of each component of the...Ch. 42.3 - Prob. 4LOCh. 42.3 - Prob. 1C
Ch. 42.3 - Prob. 2CCh. 42.4 - Prob. 5LOCh. 42.4 - Prob. 6LOCh. 42.4 - Prob. 7LOCh. 42.4 - Prob. 8LOCh. 42.4 - Prob. 9LOCh. 42.4 - Prob. 1CCh. 42.4 - What are two main functions of the vertebrate...Ch. 42.4 - Prob. 3CCh. 42.4 - What role does the limbic system play in emotions?...Ch. 42.4 - In what ways does your success on a biology exam...Ch. 42.5 - Describe the organization of the peripheral...Ch. 42.5 - Prob. 11LOCh. 42.5 - Prob. 1CCh. 42.5 - Prob. 2CCh. 42.6 - Prob. 12LOCh. 42.6 - Prob. 1CCh. 42 - Test your Understanding Know and Comprehend A...Ch. 42 - Which part of the vertebrate brain maintains...Ch. 42 - The main association area in the amphibian brain...Ch. 42 - Prob. 4TYUCh. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - Test Your Understanding 8. VISUALIZE Label the...Ch. 42 - Prob. 9TYUCh. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - EVOLUTION LINK CREB has been shown to be a...Ch. 42 - Prob. 13TYU
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- Given the following images of primate skulls: What is the function of the brain crest? If a primate does not have a crest, what does it say about the primate? How are the sizes of the forehead and temporal area related to the volume or size of the brain?arrow_forwardRefer back to Chapter 4 of your textbook, in the second paragraph in the section on mammals. Establish your clear understanding of Rechtschaffen’s statement, “If sleep does not serve an absolutely vital function then it is the biggest mistake the evolutionary process has ever made.” In your own words, explain what he meant. Please write 100-300 words. Remember not to plagiarize. There are no wrong answers so you do not need to check with me to find out if you are correct. I want to know your understanding of his statement.arrow_forwardAssume that you discovered Caenorhabditis elegans that crawl significantly slower than others. How would you determine whether this behavior was due to an injury from the environment or to an inherited trait? A goal of using animal models is to explain the molecular detail of specific behaviors encoded in the human brain. How would you compare the developmental biology experiments on memory and learning using the fruit fly, Drosophila melanogaster, as evidence about the evolution of a human behavior?arrow_forward
- Study the images of the brains of Squalus (Shark) and Sheep in the accompanying e-book, Atlas of Comparative Anatomy of Vertebrates.In which ways are they similar? Different?arrow_forwardWhich of the following are NOT trends that have occurred during the evolution of the central nervous system in invertebrates? A)none of the above – all are trends B)The positioning of nerve chords at the ventral end of the animal C)The development of sensory structures for the detection of gravity, sound and light D)Increasing the size of cerebral ganglia and formation of a “brain” E)The processing of sensory information by neural ganglia and the generation of motor commandsarrow_forwardScientists studying orangutans on the Indonesian islands of Borneo and Sumatra recently found that the orangutans inhabiting the food-scarce island of Borneo have smaller brains than those on Sumatra, where food is abundant. From this observation, what can we infer about the relationship between brain size and diet in orangutan evolution?arrow_forward
- What factors acted as selective pressure for the evolution of the large human brain?arrow_forwardScientists studying orangutans on the Indonesian islands of Borneo and Sumatra recently found that the subspecies inhibiting the food-scare region of Borneo have smaller brains than those on Sumatra, where food is abundant. From this observation, what can we infer about the relationship brain size and diet in orangutan evolution?arrow_forwardHow does the anatomy of a cat (Felis catus) reflect humans shared ancestry with dogfish sharks? Using skeletal, muscualar, and neuro-sensory systems.arrow_forward
- Describe the process of neural toon in a vertebrate. How does it happen? How do the brain and spinal cord form? What tissue gives rise to the brain and the spinal cord?arrow_forwardWe have discussed the role of meat consumption in hominin evolution as an important source of fuel for our larger and metabolically costly brains. Do you think this hypothesis for why we have such large brains has merit? Why or why not? Can you think of any alternative hypotheses to explain the trend toward larger brain size over the past 2.5 mya?arrow_forwardDid the evolution of language drive the evolution of large brains?arrow_forward
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