This is a useful standby for when you plan to go outside to do quadrats, then you can’t because it is raining! Or the daisies you were planning to count have just been mowed half an hour before you planned to go outside. Both these scenarios have happened to me. Having said that it is a useful way of teaching how to carry out random sampling even on a nice day!
I’m always amazed how near to the real answer the sampling gets.
The answer is 250 worms.
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