| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Clams' main food are these mostly microscopic drifting organisms whose name means "wandering" | plankton | $1,600 | DJ | SCIENCE | 2025-11-11 | #9432 | |
| The phyto-type of these marine drifters contains algae & bacteria, while the zoo- type includes animal life | plankton | $1,200 | DJ | SCIENCE IN NATURE | 2022-03-23 | #8603 | |
| In the ocean the food chain typically begins with this mass of microscopic plants & animals | plankton | $300 | J | GENERAL SCIENCE | 1994-01-13 | #2159 |