InstructionThe purpose of the assignments is to help you prepare for the test. All assignments must be unique. For questions 1-4, answer in complete sentences (you should get a full sized paragraph for each answer for full points; 150-200 words each answer). Be as thorough as you can with your answers. Demonstrate the breadth and depth of your understanding. All questions you create for #5 must be multiple choice (no True/False, no fill in the blank, no short answer, no matching…). Assignment 3 1. Explain what is meant by the Cambrian Explosion Identify 3 groups the showed up in the rock record during the Cambrian. 2. Explain the Permian extinction event, including causes of the extinction, and identify at least 3 groups which disappeared forever. 3. Describe what was going on during the breakup of Pangea 4. Describe the factors which led to the demise of the Mesozoic Era Answer these question in a word document and follow instructions in above description.