Is there an egg in the world, or a chicken that comes first.

The chicken-and-egg question is a question that has been debated for a long time and there has been no clear answer. In fact, the appearance of eggs was much earlier than the appearance of chickens, because as early as 280 million years ago in the Permian, reptiles appeared, and reptiles (such as crocodiles, dinosaurs, etc.) would lay eggs, and birds appeared in the Jurassic period 180 million years ago, and chickens appeared even later, but the question about "chicken or egg" is actually asked who comes first and who comes first, chicken or egg.

Chickens lay eggs, eggs hatch chickens, if you say that chickens appear first, then "how can no laying hens hatch"? If you say that the eggs appear first, you will encounter the problem of "who lays the eggs without the chicken", which is really confusing.

According to evolutionary point of view, there is no question of who comes first and who comes after chickens and eggs. As a species in the class of birds, chickens are differentiated from primitive birds, and eggs are the fertilized eggs of chickens (referring to eggs that can breed chicks), and in the long process of the formation of chickens, they have always been a bridge connecting the generations in the evolution of "primitive birds-chickens". In the formation process of chickens, there are three factors:

i.e. variation, heredity, natural selection. "Chickens" lay eggs (they can't be called chickens when they were more primitive), and eggs give birth to "chickens", which are not exactly the same between the two generations, and there are always differences in the offspring born to the same parent. A "chicken" can lay many eggs, but not all of them end up as adult chickens.

In the struggle for survival, individuals with favorable mutations get the best chance to preserve themselves, and the advantages and disadvantages are determined by nature, and chickens are formed precisely because nature gradually retains their good running. Variation characteristics such as more ground activities and poor flight ability, and differentiated from primitive birds. Obviously, heredity plays a role in maintaining and consolidating variation, which accumulates through heredity.

After a long-term, generational process of "chicken" to egg and egg to "chicken", under the action of natural selection, the variation of species is accumulated in a directional manner, resulting in the differentiation of species and the formation of new species, and the "chicken" slowly evolves and the egg also evolves.

I think there are chickens first, because a species evolves slowly, and when a species (the ancestor of chickens) evolves into chickens, it evolves while it is alive, and then it lays eggs and gives birth to offspring of chickens.

Do you think the existing person or the existing fertilized egg?

According to the latest research by British scientists, there were chickens first.

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

British scientists have cracked this age-old proposition: there is the chicken first, then the egg!

Why: They found that a protein that catalyzes eggshell formation is only found in the ovaries of chickens.

British "Daily Mail" July 14, 2010 ** said: Professor of the University of Sheffield, Freeman and researchers from the University of Warwick, found that there is a protein OC-17 in the ovaries of chickens, which can convert calcium carbonate into calcite that constitutes the eggshell, which is present in the ovaries of chickens, that is, it can promote the formation of eggshells, which is the key substance for the formation of eggshells, without which eggshells cannot be formed. Professor Freeman concluded

With the eggshell, the yolk and the liquid that protects the chick can have a place to live, if there is no OC-17 protein in the ovaries, there can be no eggs, and this protein is first present in the body of the chicken, so there must be a chicken first and then an egg.

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

Chicken or egg? Aristotle, a scholarly authority active in 3000 B.C., said: "There is an egg without a father and a mother, and the first chicken pops out of the egg".

Did the chicken come first or the egg came first? It's a difficult question for us. But on the issue of first-come-first-served or first-served, we can make a decision.

Chicken or egg?

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

The Bible says that there came first, so I believe that there came first. xd

Besides, if there are no chickens, how can eggs be hatched?

Before answering this question, you want to think about whether there were men or women in this world.

First there are chickens, eggs, eggs!

Chicken, Eggs, Eggs, Chicken First, Eggs !!

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

Although I'm just a child, but you don't despise me, it's okay, one day I don't know what's wrong, and suddenly I suddenly understand this problem. There should be a chicken in the world that came first. From the earliest times, all living things were single-celled, then evolved into microorganisms and slowly evolved to higher levels (such as humans, apes), and in this process there were chickens.

But not all animals have evolved, because there is a series of evolutions that lead to diligence such as laziness, greed, etc., and those who fall fall fall. Well, to get to the point, everyone knows that eggs can only be born from chickens, and chickens don't have to be eggs. Let's figure this out.

So the eggs should have chickens to come out, and the former must have chickens first, okay, this is how this problem is solved!

Chicken or egg? Aristotle, a scholarly authority active in 3000 B.C., said: "There is an egg without a father and a mother, and the first chicken pops out of the egg".

According to the British "Daily Mail" on July 14**, researchers from the University of Sheffield and the University of Warwick recently wrote an article entitled "Structural Control of Eggshell Protein Crystal Nucleus", which elaborated on the conclusion that scientists used a supercomputer to "amplify" the egg formation process: a protein called Ovocledidin-17 (referred to as OC-17) is a catalyst that accelerates the growth of eggshells, and without OC-17 proteins, the appearance of eggs cannot crystallize to form eggshells. This protein converts calcium carbonate into the calcite crystals that make up the eggshell.

Calcite crystals are found inside many bones and eggshells, but hens form calcite crystals faster than any species——— producing 6 grams of eggshells every 24 hours.

Colin Freeman, Ph.D. from the Department of Engineering Materials at the University of Sheffield, said: "Scientists have previously discovered the OC-17 protein and speculated that it is involved in egg formation. But after careful research, we finally understood how it controls the process of egg formation.

Interestingly, various birds appear to have proteins like OC-17 that catalyze eggshell formation. Freeman concluded, "There is a place to live with the eggshell, yolk and the liquid that protects the chicks, and there can be no eggs without the OC-17 protein in the ovaries." Therefore, there must be chickens and then eggs.

According to scientists, in addition to figuring out how chickens produce eggs, the research could also help develop new materials or ways to process them.

There is the egg, which is a mutant egg laid by some kind of creature, and the egg gives birth to a chicken.

First there were chickens. According to the investigation of the relevant departments, there is a layer of substances on the eggs that are only found in chickens, so there are chickens first.

Relevant departments study and explain.

There are chickens and eggs in the world.

First there were chickens. Chickens evolved slowly.

When chickens did not evolve, they did not reproduce in the form of eggs.

Chickens evolved to reproduce as eggs.

Did the chicken come first or the egg came first? It's a difficult question for us. But on the issue of first-come-first-served or first-served, we can make a decision.

The egg or the chicken came first in the world? In order to find the truth, the chicken clan actually traveled to 100 worlds, where there were eggs or chickens first? In order to find the truth, the chicken clan actually crossed over to 100

I didn't listen to any of them, and it turned out that there was a chicken first...

Chicken or egg?

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

Whether it was the chicken or the egg, the mystery of the century has been puzzling. Recently, scientists have finally found the answer after studying the nest of a small carnivorous dinosaur 100 million years ago.

The Chicken or the Egg? This conundrum, which has existed for centuries, has been the focus of debate, from biology to philosophy, and has not received a convincing answer. However, scientists from Canada have already got the answer, and the answer to this question began with the discovery of a rare nest of a small carnivorous dinosaur.

The nest existed 7,700 years ago, when the sea level rose and the mother dinosaur had to abandon the dinosaur eggs in the nest and escape on her own. The dinosaur eggs left behind have become precious fossils that scientists are now studying.

François, director of the dinosaur pavilion at the Royal Tyrrell Museum in Alberta, Canada, said: "This nest has common characteristics of dinosaurs and birds, and an in-depth study of this nest can help us solve an age-old puzzle: whether the egg came first or the chicken came first.

Darla Zelenitsky, a paleontologist from the University of Calgary in Canada who specializes in dinosaur breeding, said: "Until now, the question of egg or chicken has not been answered. But as the research deepened, the mystery gradually became clear:

Dinosaurs first built nest-like nests and laid eggs that resemble birds' eggs, and then dinosaurs evolved into birds (chickens are also a type of birds), which is clear that eggs preceded chickens. Chickens evolved from these carnivorous dinosaurs that laid egg-like shapes. ”

If you believe in Darwin's theory of evolution, LS is the correct solution, that is, there are eggs first, and there are still some scholars in the West who still do not recognize the theory of evolution, then it is difficult to say.

It should be that there are chickens and then eggs, chickens can evolve from other species, but eggs are not.

It's a philosophical question! There were chickens in the world, and eggs are the product of chickens.

In fact, it is not so important whether there is an egg or a chicken first, and the important thing may be that the chicken can lay eggs, and the eggs can also become chickens. This is a logical trap, perhaps a simple and straightforward relationship of parallel lines....

First there are chickens, then there are eggs, and the previous one said that there are similar eggs first and then there are chickens, and that egg is not an egg.

And the same question is, is there a man or a woman in the world ...

There were chickens first, and it should be that the earliest chickens evolved from other animals.

The key to solving the problem is how we define the "egg" -- if we think that the "egg" must be the egg laid by the chicken, then it must be the chicken that came first.

From a scientific point of view, we start with the first life on Earth, and the first life on Earth should be infinitely close to the way bacteria or viruses reproduce.

Did the chicken come first or the egg came first? It's a difficult question for us. But on the issue of first-come-first-served or first-served, we can make a decision.

Chicken or egg?

Chicken or egg? Aristotle, a scholarly authority active in 3000 B.C., said: "There is an egg without a father and a mother, and the first chicken pops out of the egg".

A controversial but inconclusive question is now scientifically confirmed: "The chicken comes before the egg".

Researchers at the University of Sheffield and the University of Warwick in the United Kingdom have teamed up to scientifically scrutinize the age-old chicken-and-egg debate.

In the end, the scientists concluded that there must be chickens before there are eggs, because the formation of eggs requires a special protein that is only present in the ovaries of hens.

Colin Freeman of the University of Sheffield said: "We have always suspected that there were eggs before chickens, but now we have scientific evidence to conclude that in fact there are chickens and eggs. ”

Egg formation. Egg formation requires a protein that has long been known to the scientific community, but after careful study, we can clearly observe how this protein controls the formation of eggs. ”

This protein, known as "OC-17", acts as a catalyst and accelerates the development and formation of eggshells.

Using a supercomputer to amplify the structure of an egg, scientists found that OC-17 initiated the crystallization of the eggshell in its initial form.

This protein converts calcium carbonate into "calcite crystals", which are the building blocks of eggshells.

John Harding, professor in the Department of Engineering Materials at the University of Sheffield, said: "Studying and understanding the process of laying eggs is an interesting subject in itself, but more importantly we can apply it to designing new materials. ”