Amphibians are small vertebrates that need water ... Some transport water, oxygen, and carbon dioxide either into or out of the animal. Others fight bacteria or fungal infections.

A major event in vertebrate evolution was the transition from aquatic to terrestrial life, made possible by the emergence of ...

Despite their differences, reptiles and amphibians share several traits that connect them. Both groups are cold-blooded vertebrate animals, meaning they rely on external heat sources to regulate ...

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 ...

An exploration of the diversity and origins of fish, amphibians, reptiles, mammals, birds, and other chordate animals. Form, function and evolutionary drivers of body systems in vertebrate animals are ...

The comprehensive survey of global amphibious populations found that things have gotten worse for the cold-blooded vertebrates ... said. "Amphibians are the world's most threatened animals ...

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 ...