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The calcium that makes the egg shell makes it hard.
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoits made of irish peepl
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What makes an eggs shell dissolve fast?
If you put a fresh uncooked egg into vinegar the hard shell will dissolve leaving just the soft membrane.
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.
Do frogs lay hard shell eggs?
no.
What snakes lay hard eggs?
No snake does unless scientist fond another specie is found .
How are birds eggs adapted to land?
eggs have a hard shell that keeps it from drying out
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.
Are duck eggs fertilized before or after being laid?
All eggs that have a hard or semi hard shell are fertilized before being laid.
What makes the eggs shells color?
it is because egg shell contains calcium and this what makes it white
Does a cockroach lay its eggs with hard shell?
Yes, it does DEFIANTLY! cockroaches lay there eggs with hard shells, as it easier for cockroaches to reproduce.. .. HOPE IT HELPS! :) :) :) :)
Why are some hard boiled eggs difficult to separate shell and white?
It depends on how fresh they are. Eggs that are very recently laid will often have the white stick to the shell a bit.
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.
Does the pigeon egg has a hard shell?
All bird eggs are hard, there is no choice. Ones without a proper shell are defective and usually won't hatch.
