RANDOM STUFF

Question 1

Describe how you would randomly place a quadrat

Answer 1

Find coordinates on a grid/ split area into squares
Then
Generate random numbers/telephone directory/ numbers drawn from hat

Question 2

You could use an optical microscope and a slide of stained muscle tissue to find the diameter of a muscle fibre. Explain how (2 marks)

Answer 2

Measure with graticule/eyepiece scale;
Calibrate against something of known size:
OR
Estimate/measure field diameter with a scale;
Estimate number of fibres to cover diameter;