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the advantage of having a leather shell:
-protects the egg
-Some leathery eggs also have calcium carbonate but much more protein than the average bird egg. This protein is typically keratin, which is the same type of protein that makes up human hair and fingernails.
-Leathery eggshells do not necessarily have calcium carbonate. Some types of eggshells have little or no calcium in them at all, and instead are composed primarily of proteins. They may have other substances, such as lipids or some other mineral, as part of their makeup to ensure a solid, flexible shell.
-Tough, leathery eggs are generally very similar to hard eggs in structure, but the shell has some differences in its composition. Specifically, hard-shelled bird eggs tend to be a mix of calcium carbonate and protein. The protein helps make the shell smooth and holds it together, while the calcium carbonate gives it its hardness.
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What is the advantage of egg products over shell eggs?
Egg products are regarded as more versatile and safer than shell eggs since they are pasteurized to eliminate bacteria.
The eggs of amphibians can dry out easily because they?
are found on land, so they do not have a moist environment to keep them from drying out, and have a leather shell, instead of a hard shell. hard shells are better at keeping water and liquids in, while leather shells are not
Why do eggs have shell on it?
Eggs have a shell on it to stop it breaking
Why do eggs have shell?
ROFL can you imagine eggs without a shell? They have a shell so that the chicken doesn't fall out a go boom!
What type of eggs do both reptiles and birds lay?
Yes. Bird eggs are similar in structure to reptile eggs with the main difference being that bird eggs have a hard shell while reptiles eggs have a softer, leathery shell.
Eggs and meat which better?
eggs
Why doesn't a reptile have a shell membrane?
Reptile eggs have shell membranes.
How does birds lay their eggs?
in a shell
What vertebrate group produce eggs with a leathery shell?
Reptiles, such as turtles, snakes, and lizards, produce eggs with a leathery shell. The leathery shell is flexible and allows the eggs to absorb moisture and exchange gases with the environment. Unlike reptiles, birds and some other groups of vertebrates produce eggs with a hard, calcified shell.
Is the shell on a brown egg thicker than a shell on a white egg?
No the eggshell of brown eggs is not thicker than the eggshell of white eggs.
Are all hen eggs in hard shells fertilized eggs?
NO- the vast majority of the commercial eggs are infertile- the hen never sees a rooster. Fertilization of the egg happend BEFORE the shell membranes and shell are added. Fertilization is not needed to form a shell.
Do frogs lay hard shell eggs?
no.
