The comprehension questions are designed to be compatible with the National Geographic Kids series titled Dolphins by Melissa Stewart. This particular book is Level 2. The Accelerated Reading program rates it as a 3.7 reading level. Questions include short answer, matching, and vocabulary. An answer key is included. Extend the lesson by adding a lap book or layered flip book for an animal research report. Dolphins can be purchased in a BUNDLE at a discount price at www.teacherspayteachers.com/Store/Kathryn-Larson-8756.