| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Scientists take an EAG, an electroantennogram, to measure how a moth's antennae nerves pick up these sex odors | pheromones | $300 | J | INSECTS | 2000-10-12 | #3704 | |
| Ants can communicate by releasing these chemicals from glands located throughout the body | pheromones | $500 | J | INSECTS | 1997-06-05 | #2954 |