Gender, equity and human rights. Women are the drivers of sustainable development. 5 APRIL 2017 - Food safety is essential to good nutrition and health, which are vital to sustainable development. WHO estimates that every year, 1 in 10 people fall ill and 125,000 children under 5 years of age die from foodborne diseases.
1 Snout shape: Alligators have wider, U-shaped snouts, while crocodile front ends are more pointed and V-shaped. 2  Toothy grin: When their snouts are shut, crocodiles look like they're flashing a toothy grin, as the fourth tooth on each side of the lower jaw sticks up over the upper lip.
One of the most interesting differences between crocodiles and alligators is salt glands. Crocodiles tend to have functioning salt glands on their tongues which are only nearly visible while the creatures are basking in the sun on land with their mouths wide open.