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The idea that birds are descendants of dinosaurs was first proposed by Hussein, a staunch defender of evolution known as "Darwin's hound" more than 100 years ago.Hussein was born in England in 1825. Due to his poor family background, he only received two years of formal education betwe
The earliest skeleton fossil of a large reptile that came to the attention of the scientific community was discovered in 1770, about 40 years before Darwin was born. It was found in a chalk quarry on the St. Peter's Mountain in the village of Maastrich in the Netherlands. in ancient strata. T
This hypothesis about the cause of the extinction of the dinosaurs believes that the culprit of the catastrophe at the end of the Cretaceous was not an asteroid but a comet. Some scientists believe that the sun has a companion star that rotates around it. Every 20 to 30 million years, this co
Some scientists believe that the current theories on the extinction of dinosaurs emphasize external causes, such as asteroid impacts, cosmic events, destruction of the earth's ozone layer, large-scale volcanic eruptions, dramatic climate changes, etc. The most unsolvable problem of these exte
The mass extinction of the dinosaurs at the end of the Cretaceous is an eternal mystery in the history of biology. Scientists have proposed one theory after another to try to explain the cause, but so far there is no conclusion that everyone can accept. The more popular theory is that the dis
According to data obtained from deep-sea geological drilling, some scientists believe that the climate on the earth experienced abnormal changes 65 million years ago, and the temperature suddenly increased. This change prevents cold-blooded animals with weak heat dissipation capabilities such
At present, egg fossils of ancient reptiles, especially dinosaur egg fossils, have been discovered in many places around the world. According to the morphological structure, dinosaur eggs can be divided into short round eggs, oval eggs and long eggs. Dinosaur eggs vary greatly in size, with v
The famous Italian physicist Antonio Chicchi recently proposed that the cause of the mass extinction of the dinosaurs was probably a large-scale submarine volcanic eruption. Professor Chikichi believes that at the end of the Cretaceous, a series of large-scale volcanic er
At a scientific symposium in 1980, American geologist Alvarez and others vividly told a thrilling story that happened 65 million years ago based on their research results: One sunny afternoon, In the tropical shrubs under the scorching sun, many different types and forms of dinosaurs were wal
Dinosaur fossils have been discovered in recent years. New species are being discovered one after another. Groups of scientists are eager to study them. Generations of children and their parents have a strong interest in these mysterious ancient creatures. . Why is this?
In the Jurassic dinosaur world, there was a giant dinosaur. They eat plants and live in vast wilderness. These are the dinosaurs of the genus Elopod. They evolved and developed through long-term adaptation from the Triassic Paleopod dinosaurs and the primitive sauropod di
About 208 million years ago, a mysterious worldwide disaster caused the extinction of many living things. This disaster heralded the end of the Triassic Period and the beginning of the Jurassic Period. Dashanpu dinosaur excavation site What caused thi
About 208 million years ago, a global catastrophe wiped out many species of animals. This marks the end of the Triassic Period and the beginning of the Jurassic Period. What caused this catastrophe? Scientists have proposed several explanations. Maybe, because a huge aste
Lufengosaurus is one of the earliest paleopod dinosaurs discovered in my country. It belongs to the paleopod suborder Plateosauridae. It is light in body, with a small and not too elongated skull, round eye sockets, a strong tail, and the first fingers (or toes) of its hands and feet are part
At the beginning of the Jurassic period, many types of dinosaurs lived on every continent on the earth. Because these dinosaurs looked similar in different places, they were called the Ring-Tethys dinosaur fauna. Yunnan dragon Among the dinosaur fauna
Less than 15 million years after the earliest dinosaurs - those small carnivores - appeared, plant-eating vegetarian dinosaurs began to appear 215 million years ago. Among the fern forests and evergreen trees beside the river and lake. At that time, it was still in the late Triassic period ge
We say that Dicrosaurus was the overlord of the early Jurassic because they were large carnivorous dinosaurs active on various continents, intimidating other animals in every corner of the world at that time, even including Antarctica, which is now a world of ice and snow. However, in Antarct
The carnivorous theropod dinosaurs also survived the catastrophe at the end of the Triassic and further developed in the Jurassic. The Synanthosaurus discovered in Zimbabwe that lived 200 million years ago was a theropod carnivorous dinosaur that dominated the earth in the early Jurassic peri