thumb|286x286px|Common frog (Rana temporaria) tadpole
A tadpole is the aquatic larval stage of frogs and toads, characterized by a tail, gills, and a fish-like body that looks very different from the adult form. Tadpoles are important because they represent a fascinating example of metamorphosis in nature, where they gradually transform into air-breathing adults with legs and lungs.
AI-generated from the Wikipedia summary — may contain errors.
thumb|286x286px|Common frog (Rana temporaria) tadpole
A tadpole or polliwog (also spelled pollywog) is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found in adult amphibians, such as a lateral line, gills and swimming tails. As they undergo metamorphosis, they start to develop functional lungs for breathing air, and the diet of tadpoles changes drastically.
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