This might not be too helpful, but grasshoppers can jump about twenty times their own size.
no
So they can run away from predators
they jump so hog high because they need to be able to catch their prey
horned bullfrog
Lots of bugs can jump extremely high for their size. One notable example is the grasshopper, but there are many others.
There is no competition called the long high jump.
A grasshopper can leap to about 20 inches, which is 20 times the length of its body. Some species are said to be able to jump even farther.
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4 feet
Most likely yes. A 1 inch grasshopper can jump 20 inches, or a little under 2 ft http://animals.howstuffworks.com/insects/grasshopper-info.htm
Grasshoppers can jump up to 20 times the length of their body. Grasshoppers can also fly. While flying they can reach speeds of 8 miles per hour.
The grasshopper wouldn't be able to jump!