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What does the porous shell of the amniotic egg allow to happen?
Wiki User
∙ 11y ago
Oxygen can get to the embryo. Of course, it´s also the reason sea turtles lay their eggs on land, it works both ways.
Wiki User
∙ 11y ago
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How does a reptile embryo in an amniotic shell get oxygen?
THe shells of reptile eggs is porous - it absorbs oxygen through the membrane.
A egg that is surrounded by a hard shell?
Amniotic
An egg that is usually surrounded by a hard shell?
amniotic
How does an embryo in an amniotic egg get oxygen?
The shell on an amniotic egg is equip with very small pores that allow oxygen to seep slowly into the embryo so that it doesn't suffocate.
Is bone porous?
dno
Which parts of a reptilian amniotic egg could a mammal do without?
It is the shell
Do lobsters have amniotic eggs?
No. An amniotic egg is a bird or reptile egg, with a shell. Only vertebrates can have amniotic eggs. ^^ By extention, mammals also have amniotic eggs, but they're reduced in placental mammals (live birth). Platypi and echidnas still lay amniotic eggs though.
How is an amniotic egg important adaptation for reptiles?
The amniotic egg allows reptiles to reproduce on land, away from water.
What are amniotic eggs?
Eggs laid by mammals, birds and reptiles. They have a membrane that contains fluid. There is amniotic fluid around the embryo. It also has a protective shell that provides air to pass through.
What are the four membranes in an amniotic egg.?
The amniotic egg has seven different parts that play different functions. The seven parts include the shell, albumen, chorion, yolk, allantois, ammunion and embryo.
What type of egg is composed of a protective shell and membranes that surround the developing embryo?
A type of egg is composed of a protective shell and membranes that surround the developing embryo is an egg
Why does a shell of a birds egg need to be porous?
When the baby chicks are developing in the egg shell, they need to breathe. The pores in the egg shell allows an exchange of good air with the bad air. A side effect to this. The pores allow moisture to escape from inside of the egg.
