Presence of gills in the tadpole of frog indicates that :
A
Fishes evolved from frog like ancestors
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B
Frogs will have gills in future
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C
Frogs evolved from gilled ancestors
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D
Fishes were amphibious in the past.
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Solution
The correct option is C Frogs evolved from gilled ancestors Presence of gills in the tadpole of frog indicates that frogs evolved from gilled ancestors. Tadpoles look like fish, and they breathe under the water using gills, as fish do.