| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Lennart von Post first counted grains of this from plants to reconstruct past vegetation | Pollen | $100 | J | ARCHAEOLOGY | 2000-12-07 | #3744 | |
| Scientists learn about ancient plant life by studying fossilized grains of this from flowers | pollen | $400 | DJ | ARCHAEOLOGY | 1995-12-21 | #2604 | |
| Common dating techniques are carbon-14, counting tree rings & analyzing grains of this | pollen | $600 | DJ | ARCHAEOLOGY | 1993-05-20 | #2019 |