The most common symptoms of mono are a high fever, a severe sore throat, swollen lymph nodes (sometimes called swollen glands) and tonsils, and weakness and fatigue. Symptoms usually start 4 to 6 weeks after you are exposed to the virus. Mono can cause the spleen to swell.
The death roll performs a number of functions for the Saltwater Crocodile. When it grabs very large prey the crocodile has to drag it into the water and drown it so the crocodile will use it's advantage in the water and it's own body weight to roll over and over again to drown it's prey.
A female crocodile can lay up to 60 eggs at a time. These eggs are large, with a hard shell. They take about three months to hatch. If the temperature in the nest is less than 32 degrees Celsius, the baby crocodiles will be female. If the temperature is between 32 and 33 degrees the babies will be male.