Download e-book for kindle: Reptiles by Leslie A. Mertz

By Leslie A. Mertz

ISBN-10: 0787694045

ISBN-13: 9780787694043

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24 Grzimek’s Student Animal Life Resource DIET Most seaturtles are primarily meat eaters. Their diets are made up of a variety of marine, or sea, animals, including fishes; snails and other mollusks (MAH-lusks), or animals with a soft, unsegmented body covered by a shell; barnacles and other crustaceans (krusTAY-shuns), or animals with a soft, segmented body covered by a shell; and certain sponges and sea urchins. The green seaturtle is the only member of the family that is known to prefer eating plants.

Although the name dinosaur actually means “terrible lizards,” dinosaurs are not lizards and are different from all other groups of reptiles. One of the major differences between dinosaurs and other reptiles is in the way they moved. Lizards and crocodiles walk with their legs held out to the side, in the same type of position a person’s arms take when doing pushups. A few dinosaurs sprawled their front legs like a lizard, but the vast majority of them walked like a dog or cat—with the legs directly below the hips and shoulders.

The other order within the dinosaurs is Ornithischia, which included those dinosaurs that ate plants and had hip bones that looked like those found in present-day birds. Many of them had Dinosaurs 1 crests, beaks, horns, or helmets, and some had armor-like plates, called scutes, covering their bodies and occasionally spikes. Stegosaurs are an example of an Orinithischian. These dinosaurs had armor-like spines down the middle of the back and spiked tails. The Ornithischia also includes the duckbill dinosaurs with their wide snouts.

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Reptiles by Leslie A. Mertz


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