what is the function of nonretractable head and legs in sea turtle explain
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Answer:
Size
Adult male and female sea turtles are equal in size.
Olive ridleys are the smallest sea turtles. They have carapace lengths of about 51 to 75 cm (20 to 30 in.) and weigh
33 to 50 kg (73 to 110 lbs.).
The Kemp’s ridley has carapace lengths of 52 to 72 cm (20.5 to 28 in.) and weigh 32 to 50 kg (66 to 110 lbs.).
Green sea turtle carapaces reach about 78 to 120 cm (31 to 47 in.) long; they weigh 68 to 230 kg (150 to 507 lbs.).
The largest individual collected was 1.5 m (5 ft.) long and weighed 395 kg (871 lbs.).
The black sea turtle subspecies tends to be smaller with carapace lengths of 59 to 117 cm (23 to 46 in.); they weigh 70 to 120 kg (150 to 265 lbs.).
Paw Print
Two sea turtles swimming underwater
Physical Characteristics
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Size
Adult male and female sea turtles are equal in size.
Olive ridleys are the smallest sea turtles. They have carapace lengths of about 51 to 75 cm (20 to 30 in.) and weigh
33 to 50 kg (73 to 110 lbs.).
The Kemp’s ridley has carapace lengths of 52 to 72 cm (20.5 to 28 in.) and weigh 32 to 50 kg (66 to 110 lbs.).
Green sea turtle carapaces reach about 78 to 120 cm (31 to 47 in.) long; they weigh 68 to 230 kg (150 to 507 lbs.).
The largest individual collected was 1.5 m (5 ft.) long and weighed 395 kg (871 lbs.).
The black sea turtle subspecies tends to be smaller with carapace lengths of 59 to 117 cm (23 to 46 in.); they weigh 70 to 120 kg (150 to 265 lbs.).
Loggerhead carapace lengths reach about 90 to 105 cm (35 to 41 in.) and they weigh 100 to 180 kg (220 to 397 lbs.).
Adult hawksbills have a carapace length of 53 to 114 cm (21 to 45 in.) and weigh about 43 to 91 kg (95 to 201 lbs.).
Flatbacks reach carapace lengths of about 81 to 100 cm (32 to 39 in.) and weigh about 60 to 90 kg (132 to 185 lbs.).
Mature leatherbacks reach carapace lengths of about 1.2 to 1.8 m (47 to 70 in.) and weigh 200 to 900 kg (441 to 1,984 lbs.).
The leatherback is the largest of all living sea turtles.
The largest leatherback recorded weighed 916 kg (2,020 lbs.).
Body Shape
Sea turtles are characterized by a large, streamlined shell and non-retractile head and limbs...
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Paw Print
Two sea turtles swimming underwater
Physical Characteristics
MORE ABOUT SEA TURTLES ›
MORE ANIMALS ›
Size
Adult male and female sea turtles are equal in size.
Olive ridleys are the smallest sea turtles. They have carapace lengths of about 51 to 75 cm (20 to 30 in.) and weigh
33 to 50 kg (73 to 110 lbs.).
The Kemp’s ridley has carapace lengths of 52 to 72 cm (20.5 to 28 in.) and weigh 32 to 50 kg (66 to 110 lbs.).
Green sea turtle carapaces reach about 78 to 120 cm (31 to 47 in.) long; they weigh 68 to 230 kg (150 to 507 lbs.).
The largest individual collected was 1.5 m (5 ft.) long and weighed 395 kg (871 lbs.).
The black sea turtle subspecies tends to be smaller with carapace lengths of 59 to 117 cm (23 to 46 in.); they weigh 70 to 120 kg (150 to 265 lbs.).
Loggerhead carapace lengths reach about 90 to 105 cm (35 to 41 in.) and they weigh 100 to 180 kg (220 to 397 lbs.).
Adult hawksbills have a carapace length of 53 to 114 cm (21 to 45 in.) and weigh about 43 to 91 kg (95 to 201 lbs.).
Flatbacks reach carapace lengths of about 81 to 100 cm (32 to 39 in.) and weigh about 60 to 90 kg (132 to 185 lbs.).
Mature leatherbacks reach carapace lengths of about 1.2 to 1.8 m (47 to 70 in.) and weigh 200 to 900 kg (441 to 1,984 lbs.).
The leatherback is the largest of all living sea turtles.
The largest leatherback recorded weighed 916 kg (2,020 lbs.).
Body Shape
Sea turtles are characterized by a large, streamlined shell and non-retractile head and limbs.
Sea turtle swimming
Coloration
Depending on the species, sea turtles' color range can be olive-green, yellow, greenish-brown, reddish-brown, or black in color. Some green turtles and hawksbills have shells patterned with streaks and blotches of brown or black. Leatherbacks have black carapaces (top shells) dotted with white and white plastrons (bottom shells) with dark splotches.
As its common name implies, the black subspecies (Chelonia m. agassizii) of green sea turtle is typically darker than C. m. mydas.
The green sea turtle gets its name from the color of its body fat (due to its diet of seagrasses and algae), not its shell.
Like many other aquatic animals, sea turtles are countershaded with a dark dorsal (back) and light ventral (lower surface) coloration. Countershading camouflages the turtles from potential predators. When viewed .......