The Characteristics Of Dinosaur Egg

dinosaur-eggs

dinosaur-eggs

Dinosaur eggs belong to amniotic membrane eggs, like those laid by other reptiles and birds such as chickens and ducks.

The outer bread of amniotic membrane eggs had a strong and dry calcareous shell. There were many small stomata on the shell, which were “windows” for the embryo to breathe air during development. Dinosaur eggshells were 2-7 mm thick and were the thickest in the world. Inside the eggshell, there was a large yolk, which feeds the embryo, an amniotic cavity surrounded by amniotic membrane, which was filled with amniotic fluid, and the embryo develops in amniotic fluid, and an allantois which stores the excreta of the embryo. The structure of amniotic membrane eggs was exquisite and reasonable. They would not dry up or lose water on land. Embryos were safe and comfortable inside. The emergence of amniotic membrane eggs was a great leap in the evolution of vertebrates and a great progress in animal reproduction. It created the necessary conditions for them to reproduce on land.

Animatronic dinosaur eggs made by us.

dinosaur-eggs

dinosaur-eggs

dinosaur-eggs

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