According to the latest research by scientists, 2.3 million years after the dinosaurs went extinct, the first mammals appeared.
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Scientists believe that a furry, quite cute animal, long and quite rodent tail may be one of the earliest ancestors of humankind.
This animal has appeared on Earth more than 65 million years ago. It may be the first mammal, placental species to appear. This group of species does not include animals that lay eggs and marsupials.
Based on fossil evidence and genetic information, scientists have come to the conclusion that this animal may have appeared shortly after Earth was attacked by a meteorite, causing the dinosaurs to become extinct. They believe that the descendants of this species have evolved into many groups of placental animals: from whales to bats, from mice to humans.
Graphic images of "ancestors" of humanity.
If this is the case, scientists may find a link between humans and dinosaurs, and this also means that 5,100 animals that give birth to babies may share a common ancestor.
The time of mammal emergence is at the heart of many scientists' controversy. People think that they appear first, people think they appear after the time of dinosaurs extinction.
However, this report also shows that the destruction of dinosaurs 65.5 million years ago played an important role in mammalian reproduction and evolution.