Classification of Vertebrates
Classification of Vertebrates or Taxonomy talking about 5 classes of vertebrate. Which are Mammals, Reptiles, Aves, Amphibians, and Pisces.
- Amphibians is one of 5 classes from group of vertebrates. The word Amphibia means "double lives." They live both on land and in the water. Amphibians are cold-blooded animals with a three-chambered heart as well as other organs commonly found in most vertebrates. Typical examples of amphibians are frogs, toads, and salamanders. Most amphibians have soft, smooth skin, which is kept moist by mucous glands. Some, however, such as the toad, have dry, bumpy skin. For example, frog.
- Birds (Aves). Birds, which are in the class Aves, are evolutionarily linked to reptiles. Notice the scales on this bird's legs. Looking at the extinct Archaeopteryx, which exists today only in fossil form, we can perhaps see the way certain physical characteristics from each group have been merged. Feathers, which come in all shapes, sizes, and colours, are certainly an important distinguishing characteristic of birds. Feathers serve many useful purposes, including insulation for the body and protection from moisture. Their special coloration may be useful for concealment or for attracting a mate.
- Fish (Pisces). Fish and amphibians are vertebrates with special characteristics that allow them to spend all or part of their lives in water. There are two classes of fish in the subphylum Vertebrata.
- Mammals. Along with the fish, amphibians, reptiles, and birds we've already looked at, mammals are also classified as vertebrate members of the phylum Chordata. The giraffe is one of a variety of species that belong to the phylum Chordata, class Mammalia. Because of their refined nervous and reproductive systems, mammals are generally considered the most advanced members of the animal kingdom. After they are born, mammals are nourished with milk secreted by the mammary glands of their mothers. It is for this unique characteristic that mammals are named.
- Reptiles. Members of the class Reptilia are regarded by scientists as more sophisticated than either fish or amphibians, but less sophisticated than either birds or mammals. Some of the more common members of the class Reptilia are turtles, snakes, and lizards.
Conclusion
Humans have developed an intelligence that enables us to use the raw materials of the planet to suit our own unique needs. We can transform rock into metals and glass, and use the metals to construct various forms of transportation. We can fly to the moon, create brilliant art, and provide food and nourishment for our citizens.
