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After ´shrinking´ for 50 million years, dinosaurs evolved into birds to survive, according to a new study. The analysis suggests how the ancestors in the birds had been the theropods, as soon as the latter more and more decreased bigger and as time passes began to formulate bird-like capabilities.
The study published in Science examined the family trees of various types of dinosaurs in an effort to determine any patterns in the evolution of the animals. It considered around 1,500 anatomical traits in order to determine the lineage of species.
Researchers applied advanced mathematical modeling to study how body sizes changed over time and across species. They discovered that Theropods - dinosaurs that were mostly carnivores, unable to fly - were the only variety of the animals that continually evolved into smaller forms.
The researchers analyzed 1, 500 bodily traits on the theropods. They examined the lineage considered to have given rise to the birds for instance T-Rex and Giganotosaurus. The studied the rate of evolution in a variety of members with the group as well as found that the birds’ ancestors were the actual fastest innovating dinosaurs.
The actual Archaeopteryx, most primitive fowl known, existed in Germany about a hundred and fifty million years ago. It got primitive characteristics such as bony butt and the teeth. The hen also owned or operated some feature seen in modern birds. Over the actual years, this primitive wild birds developed attributes seen nowadays in modern day birds.