Faced with the severe test of nature, many of the creatures began to become particularly strong vitality, they are restricted by the living environment, all the time not to struggle with nature!
1 camels: the ultimate desert residents, camels into the list is clearly deserved, Shuangfeng camels are mainly distributed in Asia, while the single peak Arabia camel (also known as a single hump camel) in Asia and North africa. The animals can walk for long periods without drinking water, and their body temperature is not affected by environmental changes, and it can bear 25% of the weight loss caused by sweating without dehydration.
2.Tardigrades: life under the microscope, the 8 legged animal may actually be everywhere, although they are often found in lichen and moss. Sometimes they are called "water bears", they can survive in cold water and in the arctic. They can withstand more than a thousand times the human radiation.
3 cockroaches, mosquitoes, and earthworms, cockroaches are hard to kill by pesticides, poisons and even high radiation. The mosquito cockroach lack of hard shell and ferocious appearance, but they are prolific animal, because of the ability to spread the disease, they may be one of the most feared animal in the world. Earthworms have a rare ability to regenerate. In theory, even if the cut off can quickly regenerate. Earthworms are also prolific animals, or hermaphroditic animals.
4 cassowary: seemingly weak deadly bird, although it is smaller than an ostrich or EMU, however, the island of New Guinea and Australia this flightless bird is very dangerous. Their sharp claws and kicks can tear the skin, the wound may be fatal to the animal and human. These usually look very timid animal to take the initiative and famous, even if the victim is no longer on the threat it will chase it.