What came first the chicken or the egg scientific answer?
What came first the chicken or the egg scientific answer?
Archaeopteryx fossils, which are the oldest generally accepted as birds, are around 150 million years old, which means that birds in general came after eggs in general. That answer is also true—the egg comes first—when you narrow it down to chickens and the specific eggs from which they emerge.
What came first the dinosaur or the chicken?
Dinosaurs were forming bird-like nests and laying bird-like eggs long before birds (including chickens) evolved from dinosaurs. “The egg came before the chicken,” Zelenitsky said. “Chickens evolved well after the meat-eating dinosaurs that laid these eggs.”
What species came before chickens?
Advertisement. The wild ancestor of chickens is generally agreed to be a tropical bird still living in the forests of Southeast Asia called the red junglefowl – with other junglefowl species possibly adding to the genetic mix.
Did scientists conclude that chicken came first?
It is an age-old riddle that has perplexed generations: Which came first, the chicken or the egg? Now British scientists claim to have finally come up with the definitive answer: The chicken.
What two birds created the chicken?
Most scientists agree that the Southeast Asian Red Junglefowl (gallus gallus) is the primary wild ancestor of chickens.
Where did chickens evolve from?
The modern chicken (Gallus gallus domesticus), as we know it, is descended from several of four known species of wild jungle fowl (Gallus) that inhabited parts of Southeast Asia about 50 million years ago.
Who came first on earth?
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.
What did a chicken evolve from?
Article Series. Most scientists agree that the Southeast Asian Red Junglefowl (gallus gallus) is the primary wild ancestor of chickens.
How do you prove the chicken came before the egg?
Scientists have now claimed to have cracked the riddle of whether the chicken or the egg came first. The answer, they say, is the chicken. Researchers found that the formation of egg shells relies on a protein found only in a chicken’s ovaries. Therefore, an egg can exist only if it has been inside a chicken.
Where did chickens first come from?
Southeast Asia
The chicken is one of the most ubiquitous domesticated animals; it is bred for both its egg and meat, and is thought to have originally been domesticated from the red junglefowl (Gallus gallus) native to multiple regions from Southeast Asia to Southwest China3,4,5.
What is the history of chicken?
Genomic studies estimate that the chicken was domesticated 8,000 years ago in Southeast Asia and spread to China and India 2000–3000 years later. Archaeological evidence supports domestic chickens in Southeast Asia well before 6000 BC, China by 6000 BC and India by 2000 BC.