What is the Difference Between Dinosaur And Reptile – This is the main difference between dinosaurs and reptiles. The dinosaurs are a diverse group of extinct reptiles. While reptiles include turtles, crocodiles, snakes, amphisbaenians, lizards, tetras and their extinct relatives. Apart from this, dinosaurs stand on their feet. They keep their body on straight legs while the thigh bones of reptiles are on the ground.
In addition, dinosaurs can run faster than other reptiles of the same size. Whereas reptiles move in a simultaneous motion. Dinosaurs and reptiles are two forms of animals with a long evolutionary history. They are characterized by the presence of a scaly skin and laying eggs on land. So let’s start telling the detailed information about the difference between them.
Dinosaurs – Definition, Characteristics, Behavior
Dinosaurs or ‘terrible lizards’ were a diverse group of animals on land. That includes everything from giant-necked sauropods to theropods like the T-Rex. Dinosaurs are divided into two main groups: avian dinosaurs and non-avian dinosaurs. Its main types are ankylosaurians (armored herbivorous quadrupeds), stegosaurians (plated herbivorous quadrupeds), ceratopians (herbivorous quadrupeds with horns and frills), ornithopods (bipedal or quadrupedal herbivores).And sauropodomorphs (mostly large herbivorous quadrupeds with long necks and tails). Modern birds have evolved from theropods.
Dinosaurs first appeared during the Triassic period between 243 and 233.23 mya. They became the dominant terrestrial vertebrates on land after the Triassic–Jurassic extinction event 201 million years ago. This continued through the Jurassic and Cretaceous periods. In addition, dinosaurs were warm-blooded animals. who were either vegetarian or non-vegetarian. However, bird or avian dinosaurs are the only group of dinosaurs to survive the Cretaceous–Paleogene extinction event 66 mya.
Reptiles – Definition, Characteristics, Behavior
Reptiles are tetrapod animals. Which belong to the class Reptilia. Some reptiles are limbless. Some reptiles live on land. So many live in water. They undergo internal fertilization and lay eggs covered by a shell. One of the key characteristics of reptiles to survive on land is the presence of scaly skin. Some reptiles have an outer bony plate. which covers their body. Some examples of reptiles are turtles, crocodiles, snakes, amphibanians, lizards, tuatara, etc.
Reptiles are ectothermic or cold-blooded animals. They use external sources to heat their bodies. Reptiles are poikilotherms. Those whose body temperature varies rather than remains constant. They sunbathe in warm places. And find shady places to cool off their bodies. Reptiles have long lifespans as well. Some reptiles, such as turtles, can live for more than 150 years.
Similarities Between Dinosaurs and Reptiles
- Dinosaurs and reptiles are two types of animals that lived in the Mesozoic era – the ‘Age of Reptiles’.
- Both his skins are crooked.
- Further, both hatch from the eggs.
- In addition, they have four legs and a spine.
- And, some of them have long neck and tail.
Difference Between Dinosaurs and Reptiles
Dinosaurs refer to any of a group of extinct, often very large, predominantly terrestrial carnivorous or herbivorous reptiles of the Mesozoic Era, while reptiles refer to a vertebrate animal of the class, characterized by dry scaly skin and typically soft on land. – Lays shelled eggs. Thus, this is the main difference between dinosaur and reptile.
While dinosaurs belong to the clade Dinosauria, reptiles belong to the class Reptilia.
Dinosaurs surround ankylosaursians, stegosaurians, ceratopsians, ornithopods, theropods, and sauropodomorphs while reptiles surround turtles, crocodiles, snakes, amphisbaenians, lizards, and tuatara.
Furthermore, dinosaurs first arose during the Triassic period, from 243 to 233.23 million years ago while reptiles arose 312 million years ago during the first Carboniferous period.
Furthermore, another major difference between dinosaur and reptile is that dinosaurs lived on land while reptiles live in both land and water.
Furthermore, another difference between dinosaurs and reptiles is that most dinosaurs are bipedal with upright posture and some are quadrupeds while most reptiles are tetrapods and some do not develop limbs.
Another difference between dinosaurs and reptiles is that dinosaurs have a hole in the hip socket, which allows an upright stance, whereas reptiles do not develop a hole in the hip socket.
Furthermore, the thigh bones of dinosaurs are horizontal while the thigh bones of reptiles are parallel to the ground.
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