5 centimetres.
That's about the size of a medium tomato
5cm
the size of both of your fists
the size of your hand (like an apple)
Theatres vary a lot in size.
50 meters is the length of an Olympic-size swimming pool.
Around 20-35 center meters
Well, depends on if the fruit likes to eat a BIG serving or LIL serving... Actually, one cup or one whole fruit is a serving size.
it really depends on how big the horse is but most horses are the same size so a horses brain is about the size of a grape fruit.
About 1000 center meters long
The sample size should include several hundred fruit flies, at the very least. The more fruit flies there are in the experiment, the more accurate it will be.
one big one
There is no fixed size. It depends on the location and the purpose.