On the medieval world-maps it was represented only the part of the world known as the 'old world', which is consisted of Europe, Asia and Africa. Before the big discoveries, people living in this continents had knowledge only of this part of the world, while South and North America, Australia and Antarctica where still unknown to them, thus they are missing in the world-maps of this period.
To promote the growth of vegetation, Aborigines from Australia created grass fires to encourage new growth in vegetation and to allow the wild animals to eat the new plants resulting from the grass fire. They also used grass fires in order to roast some seeds that germinate only when burned. In return, these seeds provide them food.
The Galapagos Islands are famous because it is where Charles Darwin discovered many previously unknown species of animals and inspired him to create the theories of natural selection, survival of the fittest, and evolution.
