What theories are there to the end of the cenozoic era?
[2023-08-03 21:38:44]
Usually, the end of the geological era is a sign of major geological events. The end of the IE Mesozoic is characterized by extinction of dinosaurs
My reason is that the end of the new generation corresponds to the collapse of mankind - global warming, nuclear war, infectious diseases, or a combination of them
There is no problem (human (Geologists are updating textbooks.) For millions of years, evolution of another kind of intelligent life may be seen, perhaps smart dinosaurs become human fossils I guess.
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In the new generation, it means the "new life" also known as the mammal era, as the Mesozoic era was a reptile era. The new generation spanned a period covered by the last extinction of the late Cretaceous of about 65 million years ago. The Cenozoic can be divided into three periods and seven systems: in the Paleogene, the climate was as tropical as the Mesozoic. However, during the Neogene era, the earth became cold. As South America joined North America, there were some changes in the flow of water. This will cool the Arctic Circle and combine with other factors to create a recent ice age. However, after a while the ice melted and the climate began to change like today. These three periods saw the dominance of mammals on earth and the evolution of man. The new generation is the era of our lives.
The new generation is the latest generation among the three major branches of animal history. The other two are the era of Mesozoic and Paleozoic era. From the end of the Cretaceous to the present extinction of non-avian dinosaurs, the new generation is only about 65 million years old. Because the largest terrestrial animal in this era is a mammal, the new generation is sometimes called the mammalian era. This is misnomer for several reasons. Firstly, the history of mammals began long before the new generation began. Second, the diversity of the new generation of life far exceeds that of mammals. The new generation may be called exactly as "flowering period", "insect age", "bone fish age", or "bird era".
Biologically, the new generation is known as the mammalian age, but the number of birds exceeds that of mammals 2: 1. The age of the Cenozoic and the prairie is the same as the age of the mammal, depending on the age of the plant or insect, or the age of the bird. Many species thrived during this era. Grass played a very important role in this era. It shapes the evolution of birds and mammals that feed it. One group that is greatly diversified in the new generation is a snake. During the Cenozoic, Snakes have evolved into various forms, particularly including Colbride, with the evolution of rodents, their current main feed source. In the early days of the new generation, the world was dominated by the Camember Bird, the shore crocodile, and a few primitive large mammals. As the forest began to retreat, the climate started to cool, and other mammals took over.