Each of the given series of words can be continued by one of the words from the bottom of the page:
| New Year, President, St. Patrick | O – April Fool | Add ‘s to make a holiday (first four months) |
| One, Two, Red | R – Blue | One Fish, Two Fish, Red Fish, Blue Fish |
| Sprint, Simmer, Mall | D – Winner | Seasons with one letter changed |
| Narwhal, Cow, Triceratops | E – Brass quartet | Increasing number of horns |
| Orange, Yellow, Green | R – Blue | Colors in rainbow order |
| Organ System, Organ, Tissue | C – Cell | Body levels of organization |
| Phantom, Attack, Revenge, New | L – Empire | First words of Star Wars film titles by number |
| Bun, Flew, Pea | A – More | Rhymes of the numbers 1, 2, 3, 4 |
| Amber, Beryl, Chalcedony | S – Diamond | Gemstones by starting letter |
| Wood, Stone, Iron | S – Diamond | Minecraft tool materials by durability |
| Stone, Secrets, Azkaban | P – Fire | Last words of Harry Potter titles |
| Hermes, Aphrodite, Gaia | H – Ares | Greek names for Roman deities which gave their names to planets |
| Mountain, Central, Eastern | Y – Atlantic | Time zones from west to east |
| Jaybird, Canine, Element | L – Empire | First syllables sound like J, K, L, M |
| Carbon, Nitrogen, Oxygen | U – Fluorine | Elements in periodic table order |
| Head, Shoulders, Knees | M – Toes | Head, Shoulders, Knees, and Toes |
The letters of the correct answers spell out ORDER, CLASS, PHYLUM, which are three of the levels in the taxonomic hierarchy, with the next being KINGDOM.