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Nervous System Before you respond to the following question, make sure you have completed the readings, self-assessments, labs, and other activities for the module. To do well on the question, you will need to use the proper terminology and cover each point in the question in-depth. Be sure to define important terms and provide real world examples of how the concept relates to living organisms. 2007 Question #2: Cephalization and the development of the brain were important steps in animal evolution. 1. Discuss the evolutionary origin and adaptive significance of cephalization in animal phyla. 2. Describe the development of the nervous system in the vertebrate embryo. 3. At the sound of shattering glass, people quickly turn their heads. Discuss how the human nervous system functions to produce this type of response to an external stimulus. Read the question above and create a document in which you develop responses to the question. Evaluate your essay by using the rubric provided. After you review and make the necessary corrections to your essay, submit your assignment to the Nervous System Free Response dropbox. Grading Rubric Component Points Earned Discuss the evolutionary origin and adaptive significance of cephalization in animal phyla 0 2 cephalization Fails to identify or describe cephalization Clearly identifies and describes cephalization evolutionary origin of cephalization Fails to identify or discuss the evolutionary origin of cephalization Clearly identifies and describes the evolutionary origin of cephalization adaptive significance of cephalization Fails to identify or discuss the adaptive significance of cephalization Clearly identifies and describes the adaptive significance of cephalization Describe the development of the nervous system in the vertebrate embryo 0 Fails to identify and does not describe the development of the nervous system in a vertebrate embryo 2 Identifies but does not clearly describe the development of the nervous system in a vertebrate embryo 4 Clearly identifies and describes the development of the nervous system in a vertebrate embryo Discuss human nervous system function to produce response to external stimulus 1 Fails to describe how the human nervous system functions to produce a motor reaction in response to an external stimulus 3 Identifies but does not clearly describe how the human nervous system functions to produce a motor reaction in response to an external stimulus 5 Clearly identifies and describes how the human nervous system functions to produce a motor reaction in response to an external stimulus Total Points / 15