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Long Have Sea Turtles Been Around

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Last Updated: 18 January 2022

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Sea Turtles have been around since dinosaurs roamed Earth, than 100 Million Years! They are air - breathing reptiles who inhabit tropical and subtropical Ocean waters throughout world. Some species are able to withstand enormous pressure as they dive up to 900 metres into ocean. Sea Turtles nest on thousands of beaches in dozens of countries around world. Most of their lives spent at sea. They return shore to lay eggs, often making long journeys to go to specific beaches year after year. One species migrates over 7 500 miles between nesting beaches in Japan and feeding grounds off coast of Mexico. Temperature Of Sand Determines Gender Of Sea Turtle,s With Cooler Sand Producing More Males And Warmer Sand Producing More Females. Depending on species, they may lay up to 250 eggs in one nest; eggs take 60 days to incubate. Sea Turtles many human - related threats, including entanglement in fishing gear, ocean plastic, coastal habitat destruction, poaching of adults and eggs, and climate change. Current research suggests warming trends due to climate change may cause higher ratio of female sea turtles, potentially affecting genetic diversity in future. There are seven species of Sea Turtle: Loggerhead, Green, Leatherback, Olive Ridley, Kemp's Ridley and Flatback. Six of seven species are considered endangered or vulnerable by International Union for Conservation of Nature. Two species considered critically endanger. Sea Turtles are omnivorous. Adult Green Turtles are Marine Turtles to exclusively eat plants. Hawksbill Turtles in Caribbean eat lot of sponges. Diet Of Sea Turtles Depends On Species. Most of them will eat jellyfish, though leatherback is only species to eat them exclusively. Each day, Leatherback - which can weigh up to 900 kg - can its own weight in jellyfish. Hawksbills focus on sea sponges, eating up 1 000 per year, which helps coral reefs grow since they compete with sponges for space. Loggerheads eat primarily crustaceans lobsters, urchins, and crabs. Intergovernmental Agreement - Concluded Under Auspices Of UN Environment - Aims To Protect, Conserve, Replenish And Recover Sea Turtles And Their Habitats In Indian Ocean And South - East Asian Region. Agreement, Which Took Effect In 2001, Is Called Memorandum Of Understanding On Conservation And Management Of Marine Turtles And Their Habitats In Indian Ocean And South - East Asia. Shell of Hawksbill has been used to make products for thousands of years. Know as tortoiseshell, these products been especially popular in Japan, where they are known as bekko. From 1950s to 1990s, more than 2 million shells were shipped from around world to Japan, where artisans would craft products for sale. Despite being made illegal to trade internationally by Convention on International Trade of Endangered Species, sale and export of turtleshell products continue.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Why are sea turtles endangered?

From leatherbacks to loggerheads, six OF seven SPECIES OF Sea Turtles are threatened or endangered by hands of humans. Sadly, fact is that they face many dangers as they travel seas, including accidental capture and entanglement in fishing gear, loss of nesting and feeding to coastal development, poaching, and ocean pollution including plastic. These creatures are well - adapted to ocean, though they require air to survive. Their size varies greatly, depending upon SPECIES, from small Kemps ridley, which weigh between 80 - 100 pounds, to leatherback, which can weigh more than 1 000 pounds.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

DESCRIPTION

Sea turtle, any of seven species of marine turtle to families Dermochelyidae and Cheloniidae. Both families are highly aquatic, and most species only appear on coastal beaches for egg laying; however, green occasionally bask in terrestrial environments. Adult sea turtles are mainly denizens of tropical and subtropical seas, but juveniles both families occur naturally in more temperate waters. Dermochelyids and cheloniids are distantly relate; their divergence from one another took place between 100 million and million years ago. Nevertheless, both groups have streamline shells, forelimbs modified as flippers that propel their bodies through water, figure - eight swimming and large, fully web hind feet as rudders. Cheloniids are hard - shelled turtles with bony carapaces and plastrons with epidermal scutes. In contrast, leatherback shell of dermochelyids has greatly reduced bony architecture, and bones are less firmly articulate; scutes appear in hatchlings, but they are quickly shed, so bony shell is covered with thick, leathery skin.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Sources

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

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