Concept in Definition ABC

It is called as amphibian to those species of animals or plants that are capable of living both inside and outside the Water. When we say outside, it is on the ground. For example, the toads and frogs, are the best known and most popular types of this species.
How do we know about our constant interaction with them, toads and frogs are able to move through the water, we usually see them in puddles and lakes, among others, but they also stroll through the home garden ...

The particularity bodily that has this species of vertebrates that are formally called as tetrapods is that when they are in the larva stage they present a breathing gill type, that is, they breathe through gills, then, when they reach adulthood they undergo a metamorphosis and then their respiration is becomes pulmonary, this is precisely what allowed them to adapt to the terrestrial environment, being even the first to do so, and thus move in the land.

But that forceful metamorphosis not only reaches this new respiratory characteristic but also observe in the development of limbs and the presence of sensory organs that act successfully in both contexts.

There are many amphibians that emit highly toxic substances from their skins for those who come in contact with They, however, report a high benefit to them since it satisfactorily moves away the predators.

It should be noted that this species makes a notable contribution with regard to maintenance of Balance of ecosystemMeanwhile, in recent decades a significant disappearance of specimens has been observed as a result of different calamities that the world experiences, such as: climate change, diseases and the attack of natural environments by humans.

The original meaning of the word has been transferred to other contexts and that is why in the automotive field, or in the military, the word is used to refer to that vehicle, force, which is capable of moving both on water and on land.