Module 5

Question 1

The values for the biomass of the barley plants are different in each quadrat. Suggest an explanation for this difference. (2)

Answer 1

• quadrats sampled from different places in the field
• abiotic and biotic factors are different

Question 2

The researchers measured the dry biomass of the barley plants and the barley grain. What is the advantage of using dry biomass for these measurements? (2)

Answer 2

• amount of water
• varies in each plant and grain