Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water ...

Vertebrates are animals that have a backbone inside their body. The major groups include fish, amphibians, reptiles, birds and mammals. Invertebrates don't have a backbone. They either have a soft ...

The comprehensive survey of global amphibious populations found that things have gotten worse for the cold-blooded vertebrates since ... nearly 41% of endangered amphibian species compares with ...

Without these features, a terrestrial vertebrate cannot stand. Lungs and a pulmonary circulation replace gills.; no gill cover necessary. Lungs of early amphibian were not very different from those of ...

Following a 7,000-mile-long rescue mission for conservation, 33 tiny Southern Darwin’s frogs ( Rhinoderma darwinii) were born ...

The productive Paleozoic era gave rise to hard-shelled organisms, vertebrates, amphibians, and reptiles. Dinosaurs ruled the Earth in the mighty Mesozoic. And 64 million years after dinosaurs went ...

They identified analogous sequences in all other classes of jawed vertebrates (birds, fish, reptiles, and amphibians) but did not find a similar sequence in jawless vertebrates or invertebrates.

The study of cardiovascular physiology in nonmammalian vertebrates, such as reptiles and amphibians, provides valuable insights into the evolutionary adaptations of heart and circulatory systems.