Throughout my student career, I have learned infinities of topics both useful, complete and incomplete, any amount of knowledge destined to be a tool capable of solving the dilemma of everyday life.

Despite this, the school teaches what is necessary, it means that the other remaining step is taken by us, in this way some of the stories and theories are quite summarized, to the point that their structure is made up of the basics.

In one of those so relevant classes there is talk of a progressive evolution in each ancestral species, which through adaptations caused a diversification between species that resulted in new varieties, everything started from a simple but not insignificant fish, until here comes the teaching that day, my problem is the following, for some strange reason everything except the most important was explained, what forced this curious fish to leave its habitat?, by not being explained it can be deduced that this species did it voluntarily , and that is completely SERIOUS, at no time in my life have I heard a reasonable explanation that explains this fact, even from graduates in natural history.

This is an example of why it is necessary to investigate on your own, but at the same time I manifest as criticism that something of such importance is omitted.

The solution is to make a brief readjustment to the teachings of a school, to show what is really convenient and necessary, it may be through margins that specify what should be learned, without using the basics, if not everything that is really useful.

Now, if it leaves you a little curious to know the reason for this evolution, stay a while longer on this blog ...

Everything begins throughout the Devonian period, a time when aquatic animals were as abundant as the sea, it was only known of the existence of huge crustaceans, arthropods and fearsome fish and the null presence of vegetation, this is where evolution is located Now fast forward 40 million years later.

The upper Devonian period is known for a mass extinction with a little more than 10% survivors, why is it?

The birth of a new company, this time vegetable, was the key to a massive chaos, its roots pierced the soils and supported the mosses and algae with nutrients that in the long term left these particular beings without oxygen, fortunately, the fish understood that there was more of the precious element in the atmosphere. The pressure exerted by an imminent extinction forced one of the marine species to leave its habitat temporarily, something like an amphibian.

The great titaliks managed to adapt adequately reaching a size of 3 meters being able to crawl out of the water. In this way and with the help of time, the titalik managed to become the common ancestor of all existing and future quadrupeds and reptiles.

TITALIK