Prepare a short note on sea turtle with the help of the information given in the passage
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For each of the seven types of sea turtles, females and males are the same size; there is no sexual dimorphism.
In general, sea turtles have a more fusiform body plan than their terrestrial or freshwater counterparts. This tapering at both ends reduces volume and means that sea turtles can't, as can other turtles and tortoises, retract their head and limbs into their shells for protection.But the streamlined body plan reduces friction and drag in the water and allows sea turtles to swim more easily and swiftly.
The leatherback sea turtle is the largest sea turtle, measuring 2–3 m (6–9 ft) in length, 1–1.5 m (3–5 ft) in width, and weighing up to 700 kg (1500 lb). Other sea turtle species are smaller, being mostly 60–120 cm (2–4 ft) long and proportionally narrower.
The skulls of sea turtles have cheek regions that are enclosed in bone.[8][9] Although this condition superficially resembles that found in the earliest known fossil reptiles it is very likely a more recently evolved trait in sea turtles.