Question

hi say me about turtle...​

Answer 1

Answer:

Turtles are reptiles of the order Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.[3] "Turtle" may refer to the order as a whole (American English) or to fresh-water and sea-dwelling testudines (British English).[4] The order Testudines includes both extant (living) and extinct species. The earliest known members of this group date from the Middle Jurassic,[1] making turtles one of the oldest reptile groups and a more ancient group than snakes or crocodilians. Of the 356 known species[2] alive today, some are highly endangered.[2]

Turtles

Temporal range:

Middle Jurassic – Present,[1] Aalenian–Holocene

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Florida Box Turtle Digon3 re-edited.jpg

Florida box turtle (Terrapene carolina)

Scientific classificatione

Kingdom:

Animalia

Phylum:

Chordata

Class:

Reptilia

Clade:

Perichelydia

Order:

Testudines

Batsch, 1788 [2]

Subgroups

Cryptodira

Pleurodira

†Paracryptodira

Diversity

14 extant families with 356 species

World.distribution.testudines.1.png

Blue: sea turtles, black: land turtles

Synonyms[2]

Chelonii Latreille 1800

Chelonia Ross and Macartney 1802

Turtles are ectotherms—animals commonly called cold-blooded—meaning that their internal temperature varies according to the ambient environment. However, because of their high metabolic rate, leatherback sea turtles have a body temperature that is noticeably higher than that of the surrounding water. Turtles are classified as amniotes, along with other reptiles, birds, and mammals. Like other amniotes, turtles breathe air and do not lay eggs underwater, although many species live in or around water.

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