Gap Fill - Water Bears - Level 5


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   areas      case      caterpillar      complex      creatures      decades      end      extreme      humans      life      microscopic      oceans      planets      pressure      several      temperatures      there      tough      vacuum      warming  
A new study shows that a water creature could live until the of the Earth. The tiny tardigrade, also known as water bear, looks like an eight-legged . It is one-tenth of a millimeter long but has the body to survive in any conditions. It can survive without food for , exist in freezing of -272º Celsius and boiling temperatures of 150ºC. Water bears can also survive the of deep oceans, the of outer space, nuclear war, global , or any other extreme event that would doom .

Scientists say water bears are so that the only thing that would wipe them out is if the Sun boils all the Earth's . The study says this will happen in billion years. The new study states that life is very difficult to destroy and could exist on other . A researcher said water bears are almost indestructible and because of that, it is possible that there are other tough elsewhere in the Universe. He said there was, "a real for looking for on Mars and in other of the Solar System". He suggested there could be life "out ".

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