| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Ants belong to the insect order Hymenoptera, which means "membrane" this | wings | $600 | J | NATURE | 2005-04-04 | #4746 | |
| Like other vertebrates, birds have 2 hind limbs & 2 forelimbs, the latter being these | Wings | $100 | J | NATURE | 1998-03-03 | #3117 | |
| Most insects have 2 pairs of these attached to their backs | wings | $100 | J | NATURE | 1996-11-14 | #2809 | |
| Unlike insects, arachnids don't have these; they can only get around on foot | wings | $300 | J | NATURE | 1993-12-15 | #2138 |