Please use the video and the book to help you answer the questions below. Answer the questions in a paragraph. Read pages 110-112.… Video–>

  1. Describe 3 major steps in vertebrate evolution, and their approximate timing.
  2. Create a timeline of vertebrate evolution that shows how and when important vertebrate traits evolved. MAKE SURE YOU DRAW YOUR OWN TIMELINE.
  3. Compare and contrast ectothermy and endothermy, including their pros and cons. Write in a paragraph.

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