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Only reptiles. Fish and amphibians don´t have eggshells and bird eggs have a hard shell made of calcium.
Wiki User
∙ 12y ago
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.
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Why do turtles have egg tooth?
The egg tooth helps baby turtles cut through the leathery shell when they are ready to hatch. It doesn't persist much past hatching.
Why can helium be placed in group II?
The reason it can be placed in group II is because it has 2 electrons in its outside shell (also its only shell) and the groups represent how many electrons in the elements outside shell, the reason it is normally placed in group 8 or 0 is because the first shell has a maximum of 2 electrons and all elements that have a full outside shell are placed in group 8/0 and can't normally react.
How many are in the outer shell of the yellow group?
There are different electrons in the outer shell of each element.
What group of elements already has a full shell?
Noble gases already has full valence shell
Which group has a complete outermost shell in a periodic table?
group 18, noble gases
What is the leathery shell?
Leathery shells = Hard shells
What is a leathery-shell?
A leathery shell is a shell that is flexible rather than solid like the shell of a bird egg. A snake's egg has a shell that is flexible, as does a turtle's egg.
What is the function of the leathery shell for a reptile egg?
The leathery shell of a reptile egg is to simply protect the eggs from any predators.
What is a leathery shell?
A leathery shell is a shell that is flexible rather than solid like the shell of a bird egg. A snake's egg has a shell that is flexible, as does a turtle's egg.
What snakes lay hard eggs?
No snake does unless scientist fond another specie is found .
Is a dolphin a inverterbrate or vertebrate?
A dolphin is a vertebrate because it does not have a shell or live in a shell or for another answer he has an back bone
What do leather back turtles look like?
green with brown leathery shell
Is a sea turtle a vertebrate or invertebrate?
A sea turtle is a vertebrate, just like any other turtle. Their spine is connected to the roof of the inside of their shell, which is why they can swap shells or get out of the ones they were born with, or it will kill it. No. The sea turtle belongs to the reptile group. Reptiles are chordates, also known as vertebrates. A vertebrate. After all, it has a spine.
Is a turtle a vertebrates or invertebrates?
A turtle is a vertebrate.
How do you use the word armadillos in a sentence?
Armadillos are small mammal with a thick leathery armour shell.
Is a mollusk a vertebrate when it has a shell?
No. The vertebrate is not an actual back bone. Shells are made out of calcium carbonate or CaCO3.
Is a shrimp a vertebrate or an invertebrate?
The shrimp is an invertebrate. It is supported by its shell, which is an exoskeleton. It does not have any bones inside of it.
