The comprehension questions are designed to be compatible with the National Geographic Kids series titled Coral Reefs by Kristin Baird Rattini. This particular book is Level 2. Questions include short answer, matching, true/false, and vocabulary. An answer key is included. Extend the lesson by adding a lap book or layered-flip book as an animal research report. Coral Reefs can be purchased in a BUNDLE at a discount price at www.teacherspayteachers.com/Store/Kathryn-Larson-8756.