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The most important characteristic that separates birds from living reptiles is feathers?
Wiki User
∙ 12y ago
yeah basically
Wiki User
∙ 12y ago
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Why do reptiles have rough skin?
Reptiles have dry, rough skin that helps them stay hydrated. This is important because many reptiles live in arid and desert conditions.
Feathers are thought to have arisen from what structure?
reptile scales
What animals undergo molting?
Birds and reptiles both do. Some insects and arachnids molt. Birds molt feathers from time to time. Reptiles molt their top layer of skin. Animals with exoskeletens, such as hermit crabs, also molt.
What does moulted mean?
When an animal or bug sheds its skin, hair/fur, horns, or feathers. Or molt, is the periodic shedding of an insects exoskeleton or in reptiles the outer skin.
Are there mammals with no hair?
The naked mole rat. There are many mammals with no hair. The characteristic that sets mammals apart from birds, reptiles and fish is that they have fur, skin or hair.
Did velociraptors REALLY have feathers?
No, sorry g, but they did not. Velociraptors are reptiles and reptiles do not have feathers. Come on you guys!
Which adaptation is not characteristic or reptiles?
Gills
How many species of snakes lay eggs?
Snakes are reptiles, and all reptiles lay eggs. That is a basic characteristic of reptiles.
What do all reptiles share?
One characteristic all reptiles share is that they are all cold-blooded.
What was the evolutionary advantage of the modification of scales on reptiles to feathers on ancestral birds?
The feathers helped retain body heat.
Why is penguin not a reptile?
Because it's a bird ! Birds have feathers - reptiles have scales !
What animals is NOT characteristic of the Cenozoic period?
Large, active reptiles, such as non-avian dinosaurs, went extinct before the start of the Cenozoic. Hence, dinosaurs, pterosaurs, and other such reptiles are not characteristic of the Cenozoic.
What are some characteristic for reptiles?
Scales, fork tongue, and cold blooded
What characteristic do reptiles and mammals have in common?
Generally, mammals and reptiles are both vertebrates, meaning they have a backbone and endoskeleton. Reptiles and mammals also have their brains located inside a cranium and have two eyes.
What are a bird's legs covered with?
A bird's legs are covered in the same soft scales as a reptile's skin, so it has the same texture as snake skin. This is because birds are very closely related to reptiles. A bird's feathers are made of the same material.
What adaptations enable birds to live in environments that are colder than those typically supporting reptiles?
Unlike reptiles, birds are endothermic. They also have feathers, which conserve heat.
What group of vertebrates is the only one with feathers?
While the birds are the only currently living animals (specifically vertebrates) with feathers, the fossil record clearly shows that some species of the reptiles (specifically the dinosaurs) had feathers (and these are the ancestors of the birds).
