| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| During metamorphosis, most members of this class of animals lose their external gills | amphibians | $200 | DJ | BIOLOGY | 1991-12-03 | #1672 | |
| On land this class of vertebrates can absorb oxygen through the skin, provided it's moist | amphibians DD | $1,000 | DJ | BIOLOGY | 1990-09-03 | #1376 | |
| Class of animals so named because they have an aquatic larval stage & terrestrial adult lives | amphibians | $200 | J | BIOLOGY | 1990-06-30 | #3 |