This is what's inside a turtle shell. | Insider Science

Where did turtles come from? And how did the they get their shells? The answers to these questions would eventually cause scientists to rethink the entire history of reptile evolution. | Eons • PBS

OCEAN NOMADS Sea turtles are ancient reptiles that have lived in the oceans for over 100 million years. These underwater voyagers spend most of their lives gliding through currents, with some species undertaking incredible migrations. Their streamlined bodies and flippers propel them gracefully, while their hard shells offer protection from predators such as sharks. Seven species call the ocean home, each with unique features. The giant leatherback is the largest sea turtle, while the olive ridl

🌊 Did you know? Sea turtles are real-life ocean navigators! 🐢✨ These incredible marine reptiles have been swimming our oceans for over 110 million years — yes, since the time of the dinosaurs! 🦖🌎 Scientists have discovered that sea turtles can detect Earth’s magnetic field and use it like a natural GPS, helping them travel thousands of kilometers and return to the same beach where they were born to nest. 🧭💫 Their survival depends on delicate environmental balance — even the temperature of

4K views · 78 reactions | Sea turtles are fascinating creatures! They've been swimming in Earth’s oceans for hundreds of millions of years. Sea turtles lead incredible lives, surviving for many decades at sea. This #WorldSeaTurtleDay, learn about these beloved marine reptiles—what they eat, what the major threats are, and how they reproduce: https://bit.ly/3RqQLcR | NOAA Fisheries Service | Facebook