Gap Fill - World's Fastest Ant - Level 2


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   body      dune      exactly      fastest      hot      human      just      nobody      physical      reason      runner      sand      second      short      soft      speed      temperatures      thing      times      why  
Scientists have found the world's ant - the Saharan silver ant. It runs at over 3kph. This is the ant speed of a running 580kph. The ant runs 108 the length of its own every second. An Olympic 100-meter runs using 4 strides a . The Saharan silver ant uses up to 50 strides a second. Scientists say this movement almost breaks the limits of what is possible for a living . The ants' feet make contact with the ground for a very time - just seven milliseconds before they take the next stride.

The silver ant runs so fast because it lives in the desert. The sand can reach of 60 degrees Celsius. The ant doesn't want to spend time with its feet on the hot . Another is that if the ants' feet spend a long time on the sand, they will sink a little and slow them down. A professor wrote about the ants' feet move so fast. He said it could be because of the sand habitat. Their fast speed could stop the ants' feet sinking into the sand. He said: "We knew these ants would be fast, but knew how fast , and how they would achieve that ."

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