31. Investigation of continuous variation in a species

  • 00:37 Are the means statistically significantly different?
  • 00:41 What does any difference in the means tell you about the two samples? 
  • ruler in mm

  • 15 ivy leaves from each of two contrasting sites e.g. growing in bright Sun and growing in the shade.

Hazard Risk Control measure

Plant allergy

Allergic reaction

Wear gloves