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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.
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.
Is bone porous?
dno
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.
Do most snakes lay amniotic eggs?
Yes, most snakes are oviparous, meaning they lay amniotic eggs. These eggs are enclosed within a shell that allows for gas exchange and protects the developing embryo.
Why does BIRD EGG Have To be porous?
Bird eggs must be porous to allow for the exchange of gases, primarily oxygen and carbon dioxide, which are essential for the developing embryo inside. The porous shell enables the embryo to breathe while also providing a degree of protection and structural support. Additionally, the pores help maintain moisture levels within the egg, ensuring the embryo has the necessary conditions for growth.
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.
