The main features of reptiles, according to the four most common means of categorising vertebrates are:
Reptiles have scaly skin
Some characteristics of reptiles are, They have backbones or vertebrae, they are cold blooded, they have thick protective scales and lay eggs. All reptiles breathe air from their lungs. They have 3 heart chambers. Some examples include lizards, snakes, crocodiles and alligators
Some characteristics of reptiles include having scaly skin, being cold-blooded, laying amniotic eggs, having a three-chambered heart, and being predominantly terrestrial. They also typically have claws, scales, and breathe with lungs. Reptiles have adapted to various environments and exhibit a wide range of sizes and physical features.
Amphibians are cold-blooded animals with moist, scaleless skin that can live both in water and on land. This unique ability to live dual lifestyles is one of the defining characteristics of amphibians.
Most reptiles are cold-blooded, meaning they rely on external sources of heat to regulate their body temperature. However, some exceptions like certain species of snakes and marine reptiles exhibit characteristics of being warm-blooded by generating heat internally.
Reptiles have scaly skin
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they have scales
What was the defining characteristic of the Spartan city-state? A: Military state
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Spiny anteaters, more correctly known as echidnas, are mammals, not reptiles. Although they are one of two types of monotremes (egg-laying mammals), they have all the other characteristics of a mammal. They have skin covered in fur and quills, not scaly skin like reptiles have. The primary difference is that they feed their young on mothers' milk. This is the defining characteristic that classifies them as mammals.
Defining technical component and characteristics of an enterprise system vary. They do include, however, software applications that also vary. This is my best answer.
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