Below you can find the This gift for the 35th anniversary is the horny skeleton of marine invertebrates Jeopardy Words Answer. The answer to This gift for the 35th anniversary is the horny skeleton of marine invertebrates has 5 letters. This clue belongs to the Anniversary gifts category and is part of Jeopardy Word Level 35. If you scroll near the bottom you will find other clues and answers part of level 35