Presence of gills in the tadpole of frog indicates that

Question

Presence of gills in the tadpole of frog indicates that (A) fishes were amphibious in the past (B) fishes evolved from frog-like ancestors (C) frogs will have gills in future (D) frogs evolved from gilled ancestors

Tardigrade Admin · Accepted Answer

Amphibians have moved onto terrestrial habitat, but they still need to go back to water for reproduction. The presence of gills in tadpoles indicates that fishes could be their ancestors. Fishes are completely aquatic, so the other three options are incorrect.

Q. Presence of gills in the tadpole of frog indicates that

fishes were amphibious in the past

fishes evolved from frog-like ancestors

frogs will have gills in future

frogs evolved from gilled ancestors

Amphibians have moved onto terrestrial habitat, but they still need to go back to water for reproduction. The presence of gills in tadpoles indicates that fishes could be their ancestors. Fishes are completely aquatic, so the other three options are incorrect.