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1. They are ectothermic vertebrates.
2. Their skin has scales, but no hair or feathers.
3. They have three-chambered hearts (except for alligators and crocodiles, which have four-chambered hearts).
4. They have claws on their toes (except those which do not have legs, such as legless lizards).
5. They are the first animals, in evolution, to develop the amniotic egg. This allows reptiles to lay eggs on land.
6. They are cold blooded, have scales, and lay eggs
7. They almost have a circulatory system like us humans. They have two loops, the pulmonary loop and the systemic loop.
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoThey are dry, scaly skinned vertebrates.
They are cold blooded.
They usually lay eggs, sometimes live young.
They have holes instead of ears.
They have 4 legs or no legs.
They do not have any fur or feathers.
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What is the reptile that has a backbone internal skeleton and dry scaly skin?
All reptiles have the traits.
What traits do reptiles have in common?
Reptiles are all Heterotrophs. All breath air, All have scales, Almost all lay eggs (Boa Constrictors and Rattle Snakes give live birth) All need heat to be active, All are cold-blooded.
What are three traits of reptiles?
They are cold blooded, have scales, and lay eggs
How comparative morphology support theory of evolution?
Look to the morphologies of all mammals and see rather easily how closely related they are in comparison to the more distantly related morphologies of all reptiles. Ancestral traits, such as tetropodal arrangement of limbs and then derived differences between mammals and reptiles. Reptiles having scales and mammals having hair.
What traits allow reptiles birds and mammals to live on land?
Ability to breathe air.
Does all reptiles have ribs or not?
no all reptiles does not have ribs
Which reptiles are vertebrates?
Yes, mammals, birds and reptiles are all vertebrates.
All reptiles have scales?
Yes, all Reptiles do have scales.
Is the hawksbill turtle a mammal?
No, they are reptiles. ALL turtles are reptiles.
ARe all snakes reptiles?
Yes all rattle snakes are reptiles.
What desccribe all reptiles?
all reptiles are cold blooded and are tetrapods
Are reptiles carnivors?
All reptiles but turtles and tortoises are carnivorous.
