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The amniotic egg allowed early reptiles to move away from waterside habitats and colonize dry regions. It allowed reproduction on land by preventing the embryo from drying out, so eggs could be laid away from the water.
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∙ 13y ago
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∙ 9y agoAmphibians were forced to lay their eggs in water before the amniotic egg. If the eggs were placed on land they would dry out, killing the egg.
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∙ 15y agoIt resisted drying out so it could be laid on land.
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∙ 11y agoThe amniotic egg allows reptiles to reproduce on land, away from water.
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∙ 7y agoIt enabled reptiles to move properly onto land, these eggs could be laid in a land based nest to develop. Before this evolutionary step all land based animals had to lay their eggs in water.
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What group evolved from the amphibians with the development of the amniotic egg?
reptiles
What allows reptiles to reproduce without water?
The Amniotic Egg
Vertebrates became truly terrestrial with the development of the amniotic egg in what?
reptiles
The feature present in reptiles and absent in amphibians that freed reptiles from dependence on water for reproduction is?
the amniotic egg
What is amniote egg?
Reptiles, mammals, and birds lay amniotic eggs, which contain a yolk to nourish the developing organism. Eggs are used to protect the organism as it develops, and the egg also aids in gas and energy exchange.
How is an amniotic egg important adaptation for reptiles?
The amniotic egg allows reptiles to reproduce on land, away from water.
What are two derived characteristics that allowed reptiles to become the first entirely terrestrial vertebrates?
Plato Users: A. Amniotic Egg, and Dry Scaly Skin.
Does an owl have an amniotic egg?
Mammals, birds, and reptiles lay amniotic eggs, so, yes, owls have amniotic eggs. Amniotic eggs contain a yolk and aid in gas and energy exchange.
Do human being have amniotic egg?
No. An amniotic egg will normally have multiple parts, like a chicken egg. An aminiotic egg also is surrounded by amniotic fluid. A fish egg is a small embryo surrounded by a protective gel like substance that is similar to a shell.
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.
Does the octopus have an amniotic egg?
No, reptiles, mammals and birds have amniotic eggs because they lay their eggs on land.
Is a chicken egg amniotic?
Mammals, birds, and reptiles lay amniotic eggs, so, yes, a chicken lays amniotic eggs. Amniotic eggs contain a yolk and aid in gas and energy exchange.
