Frog's tadpoles has gills but frogs have lungs?
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Answer:-
• Process of Developing Frogs
• Frogs lay eggs in water, and the eggs hatch into tadpoles that grow into frogs.
• Once hatched, tadpoles take about 14 weeks to transform into tiny frogs. Toad tadpoles take a little bit longer, becoming toadlets after about two months.
• From the tadpole stage, frogs undergo the process of metamorphosis.
• During a very short period only 24 hours in some species the tadpoles lose their gills and develop lungs with which to breathe air.
• They also develop legs, lose their tail, and undergo several other changes.
• They develop back legs first, then front legs, while the tadpole's tail shrinks and its body becomes less rounded. They also develop lungs and eardrums.
• All frogs reproduce sexually, and all hatch from eggs. In almost all frogs, egg fertilization happens outside the female's body instead of inside.
• The female releases her eggs and the male releases his sperm at the same time.
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