A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

Discusses amphibians, highlighting their unique adaptations for breathing both in water and on land. It explains the life cycle of amphibians, focusing on tadpoles that undergo metamorphosis to become ...

Understand that all animals have a life cycle that includes being born, developing into an adult, reproducing, and eventually dying Understand that the details of life cycles vary from one organism to ...

MILWAUKEE (CBS58) -- The spring show at the Mitchell Park Domes focuses on the rebirth of nature and some of its species. "Metamorphosis: The Lives of Frogs and Butterflies" opens at 9 a.m. on ...

Researchers studied the evolution of the body sizes of frogs and their tadpoles. They found that the two life stages do not evolve completely independently of each other as previously thought. If you ...

TORONTO, June 28, 2022 – Tadpoles see well underwater, but what happens when they become frogs and live primarily on land? Researchers at York University and several other institutions, curious about ...

BUENOS AIRES (Reuters) - Scientists in Argentina have discovered excellently preserved fossil remains of the oldest-known tadpole, the larval stage of a large frog species that lived alongside ...

Leptin, the hormone secreted by fat cells that plays an important role in food intake, has been described for the first time in a cold-blooded vertebrate, the South African clawed frog Xenopus. Leptin ...

Meet the lemur leaf frog! These attractive amphibians — best known for their big, beautiful eyes — are critically endangered. The good news? Reptile Discovery Center keepers at the Smithsonian’s ...