June 25, 2017

Vertebrates

Vertebrates

Vertebrates are animals with an internal backbone or spinal column. There are over 85,000 species of vertebrate animals such as amphibians, birds, fish, mammals and reptiles. Most large land animals are vertebrates. Even large sea animals, such as the whale, are vertebrates. However, only about 5% … [Read more...]

Amphibians

Amphibian, Frog

Amphibians begin life as water-breathing animals, and then in maturity evolve into an air-breathing animal. Amphibians are also cold-blooded animals, meaning they rely on external, environmental heat sources, such as the Sun, to control their body temperature. Examples of amphibians include … [Read more...]