Definition of Amphibians

It is termed as amphibious those species of animals or plants that are capable of living both in and out of the water . When we say outside, it is on the ground. For example, toads and frogs are the best known and most popular types of this species.

As we know from 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 walk through the home garden ...

The bodily peculiarity of this species of vertebrates that are formally called tetrapods is that when they are in the larva stage they present gill-type respiration , that is, they breathe through gills, then, when they reach adulthood they suffer a metamorphosis and then their breathing becomes pulmonary, this is precisely what allowed them to adapt to the terrestrial environment, being even the first to do so, and thus move on earth.
But this forceful metamorphosis not only reaches this new respiratory characteristic but is also observed 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 into contact with them, however, it is highly beneficial to them since it successfully drives away predators.
It should be noted that this species makes a notable contribution in terms of maintaining the balance of the ecosystem , while in recent decades an important 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 by water and by the earth .


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