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- Dictionaryturtle/ˈtəːtl/
noun
- 1. a large marine reptile with a bony or leathery shell and flippers, coming ashore annually on sandy beaches to lay eggs.
- 2. a freshwater reptile related to the sea turtles and tortoises.
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Sep 6, 2024 · turtle, (order Testudines), any reptile with a body encased in a bony shell, including tortoises. Although numerous animals, from invertebrates to mammals, have evolved shells, none has an architecture like that of turtles. The turtle shell has a top (carapace) and a bottom (plastron).
Well, actually, there’s a meaningful difference between tortoises and other turtles. All tortoises are in fact turtles—that is, they belong to the order Testudines or Chelonia, reptiles having bodies encased in a bony shell—but not all turtles are tortoises.
Sep 17, 2024 · sea turtle, any of seven species of marine turtles belonging to the families Dermochelyidae (leatherback sea turtles) and Cheloniidae (green turtles, flatback sea turtles, loggerhead sea turtles, hawksbills, and ridleys).
Sep 6, 2024 · Turtle - Adaptations, Habitats, Lifespan: Turtles have adapted to a remarkable variety of environments, but the greatest number of species occurs in southeastern North America and South Asia. They are not social animals.
A turtle is a reptile that has a shell covering its body. Turtles are known for moving very slowly. There are more than 350 species, or types, of turtle. Turtles are found in most parts of the world. Most live in freshwater ponds, lakes, or rivers. Others live in the ocean or on land.
Sep 6, 2024 · Turtle - Reptile, Classification, Adaptations: The title of the turtle order was formerly Testudinata, although the term Chelonia was also regularly used. Order Testudines comprises two suborders, Cryptodira with 263 species in 11 families and Pleurodira with 93 species in 3 families.
Sep 6, 2024 · Turtle - Evolution, Adaptation, Conservation: The earliest turtles known date to the Late Permian Epoch. Many of the oldest and most primitive forms lacked a shell, plastron, and a carapace. The oldest sea turtle is known from the mid-Cretaceous.
turtle, Any of approximately 300 species (order Testudines) of reptiles that have a bony shell overlaid with horny shields and are found in most parts of the world. Turtles have existed for 200 million years, making them the oldest of all surviving reptiles.
Invertebrate, any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. Apart from the absence of a vertebral column, invertebrates have little in common. More than 90 percent of all living animal species are invertebrates.
Aug 2, 2024 · A tortoise is any member of the turtle family Testudinidae that is easily recognized by its unique hind-limb anatomy made up of elephantine (or cylindrical) hind limbs and hind feet, and high-domed shell.
