| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Ants live inside these sharp projections of some acacia trees; the ants protect the trees, which produce ant food | thorns | $400 | DJ | BOTANY | 2014-01-01 | #6743 | |
| Koeberlina spinosa is the "crucifixion" one of these, the type of object Jesus wore a crown of | thorns | $400 | DJ | PLANTS | 2003-04-17 | #4299 | |
| Honey locusts & pyracantha shrubs are examples of plants with these sharp-pointed modified branches | thorns | $300 | J | PLANTS | 1996-05-14 | #2707 |