I believe the answer I the third option
The greatest current threat to the loss of the Earth's biodiversity is global warming. This is because when the ice melts, the cold comes down to us and makes us have rainy summers and very early snow and cold springs and cold autumns. And when the ice melts enough, water will start to come down and flood countries and cities, such as Manhattan. Scientists are predicting that California will break away from America.
The only bone of the body that does not articulate directly with any other bone is the Hyoid Bone.
1. Their large ears help dissipate excess body heat on hot days in the desert.
2. The fennec fox seems to be the only carnivore living in the Sahara Desert able to survive without free water. Their kidneys are adapted to restrict water loss, their extensive burrowing may cause the formation of dew, which can then be consumed, and they will receive moisture from the food that they eat.
3. Their burrowing and nocturnal lifestyle helps restrict water loss.
4. Their thick fur helps insulate them from the cold desert nights.
5. Their sandy fur helps to reflect heat, and also provides excellent camouflage.
6. Fennec foxes also have thick fur on the soles of their feet, which insulate against the hot sand of the desert. This extra fur on the soles of their feet also affords them excellent traction in the loose sand.