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How survived was puzzled Crocodiles Scientists from the asteroid strike that wiped out life on Earth for decades, and what added to the confusion is the extent of the similarity between today’s crocodile and the one that lived The Jurassic period, About 200 million years ago.
According to a recent study, crocodiles survived the asteroid collision that wiped out Dinosaurs Thanks to her body shape "Miscellaneous" And"Effective", Which allowed it to deal with the enormous environmental changes caused by the collision.
Crocodiles can live and grow in or outside the water, and they can live in complete darkness, in addition to being very strong, which means that they can survive terrible injuries.
Crocodiles generally prefer warm conditions, such as those that existed in the era of dinosaurs, because they cannot control their own body temperature and therefore they need warmth from the environment.
According to the study, when he collided asteroid The giant in the Gulf of Mexico 66 million years ago, and wiped out many plants and animals on Earth, crocodiles survived by extracting energy from the sun.
This means that crocodiles did not need to eat like warm-blooded animals, such as birds or mammals, in order to survive.
Since then, alligators have changed very little, and researchers believe that their limited diversity and apparent lack of sophistication is the key to their success. "The Daily Mail" British.
According to researchers at the University of Bristol, the slow evolution rate of the alligator is due to reaching a form that is versatile and effective enough to deal with a severe global disaster.
Lead author of the study, Max Stockdale, said: "This could be one explanation for why the crocodiles survived the meteor impact at the end The Cretaceous periodWhere the dinosaurs perished".
Crocodiles have landed a lifestyle that has been versatile enough to adapt to the tremendous environmental changes that have occurred since dinosaurs have been around.
Crocodiles can hold their breath underwater for up to an hour, due to their large ability to retain oxygen.
It can also move around the ground with amazing speed, especially when upset or angry.
In the case of crocodiles, there are very few living species today, specifically only 25, while there are thousands of some animal species such as lizards and birds that were present at about the same time, or even less.
Stockdale and colleagues found that the reason for this is that alligators have a pattern of evolution, governed by environmental change, known as "Intermittent balance ”, which explains the reason for the extinction of some prehistoric species, such as giant animals, such as dinosaurs, plant eaters, fast-running animals, burrowing animals, and animal-like monsters that lived in the sea.
As for the rate of its development, it was slow, in general, but sometimes crocodiles develop more quickly due to the change of the environment, and the development accelerates in particular when the climate is warmer, with the increase in the size of their bodies.
Stockdale said: "Our analysis used a machine learning algorithm to estimate rates of development. The rate of evolution is the amount of change that has occurred over a certain period of time, which we can calculate by comparing measurements from the fossils taking into account their age.".
و .ضاف "For our study, we measured body size, which is important because it interacts with how quickly the animals grow, how much food they need, how large they are and how likely they are to become extinct.".
Researchers are now planning to find out why some of the prehistoric crocodile species have gone extinct, while others have not.
The latest study supports a theory that was put forward more than 20 years ago, and indicates that its endurance is due to a unique design, it is very strong, and it has immune systems that can withstand severe injuries.
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How survived was puzzled Crocodiles Scientists from the asteroid strike that wiped out life on Earth for decades, and what added to the confusion is the extent of the similarity between today’s crocodile and the one that lived The Jurassic period, About 200 million years ago.
According to a recent study, crocodiles survived the asteroid collision that wiped out Dinosaurs Thanks to its “varied” and “active” body shape, which allowed it to deal with the tremendous environmental changes caused by the collision.
Crocodiles can live and grow in or outside the water, and they can live in complete darkness, in addition to being very strong, which means that they can survive terrible injuries.
Crocodiles generally prefer warm conditions, such as those that existed in the era of dinosaurs, because they cannot control their own body temperature and therefore they need warmth from the environment.
According to the study, when he collided asteroid The giant in the Gulf of Mexico 66 million years ago, and wiped out many plants and animals on Earth, crocodiles survived by extracting energy from the sun.
This means that crocodiles did not need to eat like warm-blooded animals, such as birds or mammals, in order to survive.
Since then, crocodiles have changed very little, and researchers believe that their limited diversity and apparent lack of development is the key to their success, according to the British newspaper “Daily Mail”.
According to researchers at the University of Bristol, the slow evolution rate of the alligator is due to reaching a form that is versatile and effective enough to deal with a severe global disaster.
The study’s lead author, Max Stockdale, said: “This may be one explanation for why the crocodiles survived the meteor impact at the end of The Cretaceous periodWhere the dinosaurs perished. “
Crocodiles have landed a lifestyle that has been versatile enough to adapt to the tremendous environmental changes that have occurred since dinosaurs have been around.
Crocodiles can hold their breath underwater for up to an hour, due to their large ability to retain oxygen.
It can also move around the ground with amazing speed, especially when upset or angry.
In the case of crocodiles, there are very few living species today, specifically only 25, while there are thousands of some animal species such as lizards and birds that were present at about the same time, or even less.
Stockdale and his colleagues found that the reason for this is that crocodiles have a pattern of evolution, governed by environmental change, known as “intermittent equilibrium”, which explains the reason for the extinction of some prehistoric species, such as giant animals, such as dinosaurs, plant eaters, fast-running animals, and excavator animals. Burrows, animal-like monsters that lived in the sea.
As for the rate of its development, it was slow, in general, but sometimes crocodiles develop more quickly due to the change of the environment, and the development accelerates in particular when the climate is warmer, with the increase in the size of their bodies.
“Our analysis used a machine learning algorithm to estimate rates of evolution. The rate of evolution is the amount of change that has occurred over a given period of time, which we can calculate by comparing measurements from the fossils with regard to their age,” said Stockdale.
“For our study, we measured the size of the body, which is important because it interacts with the speed of the animals’ growth, the amount of food they need, the extent of their population and the possibility of their extinction,” he added.
Researchers are now planning to find out why some of the prehistoric crocodile species have gone extinct, while others have not.
The latest study supports a theory that was put forward more than 20 years ago, and indicates that its endurance is due to a unique design, it is very strong, and it has immune systems that can withstand severe injuries.
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