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23/10/2021 1:11 pm
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Presence of gills in the tadpole of frog indicates that
(1) frogs will have gills in future
(2) fishes were amphibious in the past
(3) frogs evolved from gilled ancestors
(4) fishes evolved from frog-like ancestors
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23/10/2021 1:12 pm
Correct answer: (3) frogs evolved from gilled ancestors