Are birds, reptiles, and amphibians all vertebrates?
Animals with an internal skeleton made of bone are called vertebrates. Therefore, vertebrates include fish, amphibians, reptiles, birds, mammals, primates, rodents and marsupials.
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About Reptiles
Reptiles are animals in the class Reptilia. Reptiles breath air, lay eggs, have skin covered in scales, have four legs and are cold blooded. Reptiles are further broken down into four different orders: crocodilia (crocodiles, gavials, caimans, and alligators,) sphenodontia (tuataras from New Zealand,) squamata (lizards, snakes, and worm lizards,) and testudines (turtles and tortoises.)
About Birds
Birds are warm-blooded vertebrates that lay eggs. A bird’s skin is covered with feathers, and all living species have wings made from modified forelimbs, even though some species do not fly. The origin of birds goes back to the Jurassic period. Modern birds have no teeth unlike their predecessors. Birds are found on all seven continents and play an important role in the earth’s ecosystem.
About Fish
Fish are cold-blooded aquatic vertebrates. Fish are also one of the most commonly consumed foods in the world. They are an excellent source of protein, low in fat, and one of the best sources for omega-3 fatty acids. Omega-3s have been shown to have vascular benefits, mental health benefits and even improve eye-site. Fish and seafood come in a wide variety of shapes, sizes, colors and flavors. Fish can be prepared any way imaginable - eaten raw, cooked with citric acid, broiled, baked, smoked, fried, cooked on a spit, boiled, in a soup, in a taco, by itself, with rice, with noodles, on a kabob... No matter how you do it, fish is delicious.
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