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Reptile eggs are soft-shelled so that the babies can break out of the shells. Bird eggs are hard-shelled, because baby birds use their beaks to crack the shells of their eggs, but since reptiles don't have beaks to use to break their shells, their eggs have to be soft-shelled.
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The feature present in reptiles and absent in amphibians that freed reptiles from dependence on water for reproduction is?
the amniotic egg
What advance allowed reptiles to reproduce away from water?
The Amniotic egg. Remember, reptiles are believed to have evolved from amphibians. Where do amphibians lay there eggs? - The water. Why? because their eggs are soft. The reptiles are the first to lay the amniotic egg which has a hard shell. If an amphibian tried to lay its egg on land, gravity would squad it because an amphibian's egg is jelly like. With the hard shell of the amniotic egg, reptiles have greater change of reproduction.
Are platypuses mammals or reptiles?
Platypuses are mammals. They are warm-blooded, unlike reptiles, and they have fur, unlike reptiles which have scaly skin. Platypuses are monotremes, meaning they are egg-laying mammals.
How is an amniotic egg important adaptation for reptiles?
The amniotic egg allows reptiles to reproduce on land, away from water.
What animals are hatched from egg?
Reptiles, birds, fish and insects are all hatched from eggs.
What is so special about a reptiles egg?
The answer is, the colour and the pattern of the egg and the shape.
What are the differences between birds and reptiles?
birds - warm blooded have wings and have hollow bones reptiles - cold blooded or endothermic and reptiles have soild, dense bones birds- has a normal hard shelled egg reptiles- has a special type of egg
What are dinosaurs in general?
A special type of reptiles called "Archosaurs."
What type of animal thought to have developed after the evolution of an egg that would not dry out on land?
Reptiles (I think)
What type of animal is thought to have developed after the evolution of an egg that would not dry out on land?
Reptiles (I think)
Do reptiles lay eggs on land or in a nest?
Some reptiles lay egg in the nest and some reptiles lay egg on the land.
Is a reptile born or hatched from an egg?
reptiles hatch from an egg
What group evolved from the amphibians with the development of the amniotic egg?
reptiles
What makes Reptiles special?
because there special
Which feature related with egg structure imposes terristrial life reptiles?
Which feature related with egg structure imposes terristrial life reptiles?
What size is a reptiles egg?
It depends on the species.
What are the major structures of a reptiles egg?
round
