The presence of gills in the tadpole of a fro | vedclass

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(B) The presence of gills in the tadpole of a frog is an example of recapitulation or 'biogenetic law' (von Baer's law/Haeckel's law). It indicates th

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Frogs evolved from gilled ancestors.

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(B) The presence of gills in the tadpole of a frog is an example of recapitulation or 'biogenetic law' (von Baer's law/Haeckel's law). It indicates that the developmental stages of an organism reflect its evolutionary history. Since tadpoles possess gills,it suggests that frogs evolved from aquatic,gilled ancestors,which is a common trait shared with fish-like ancestors in the evolutionary lineage.

The presence of gills in the tadpole of a frog indicates that:

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