The egg is the female germ cell, which is called also Eizelle. This article is occupied only with eggs, which are put down forwards or soon after their fertilization.

To the groups of animals, which put eggs, belong eddy lot, insects, fish, amphibians, reptiles and birds as well as the

Eggs can have therefore very different sizes, forms and colors, and the strategies, how the young animals slipping out of the eggs are supplied, are likewise very various. The cross section ice is practically always an oval.

With fish and amphibians the eggs are softly, surrounded with a and in the water are put down. They are called also Laich.

With birds the eggs of a breeding's pair clutch of eggs are called, and also with reptiles, surrounded by an eggshell, insects and soft animals, whose eggs have very different coverings, this term is used.

Related links

• www.wissenschaft.de: Why bird eggs are so frequently with lack of calcium insert the bird mothers for the stabilization of the bowls a coloring material.
• www.eierkiste.de: Everything approximately around the egg

See also

• Breed
• Dotter
• Hen egg problem

Articles in category "Egg"

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