The land that replaced the Earth. When the Isthmus of Panama appeared, connecting the two Americas

The emergence of a new site has affected the climate on the planet and contributed to the migration of plants and animals, scientists say.
At first, the two continents, North and South America, were not connected in any way, but then a thin strip of land known as the Isthmus of Panama. The appearance of this site influenced the climate on Earth, and also contributed to the migration of plants and animals. It was a very important stage in the evolution of the planet and scientists told when this connection between the continents appeared. Live science.