How do saltwater crocodiles adapt to their environment?

Crocodile Crocodylus niloticus ... Crocodilians can move about on land - with surprising speed, particularly when alarmed or angry - but their bodies are mainly adapted for a life in water. ... When completely under the water, the ears are covered by small flaps of skin which can be closed to make the ears watertight. read more

Crocodiles adaptations include body armor that protects them from predators, strong jaw muscles that allow them to crush bones, a powerful immune system to fight off illness, behaviors that allow them to control body temperature, an evolved metabolism that allows them to go for extended periods without food, and the ability to shut down their body and live from its own tissue if the need arises. read more

Crocodiles have extremely indiscriminate palates, and so their digestive system has adapted to process anything they consume, from crustaceans, mollusks and fish to birds and mammals. The acid level in their gastric secretions is the highest of all vertebrates. read more

Some adaptations of the crocodile include the ability to regulate its metabolism, its strong stomach, its armored body and its keen senses. These adaptations have allowed the crocodile to survive for millions of years as the closest creatures the modern world has to dinosaurs. read more