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A-level BIOLOGY Paper 1
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Describe the structure and function of the nucleus. [4 marks] Question 1 continues on the next page Turn over ► box Scientists investigated the effect of the number of fungal species in soil on the diversity of plant species. Table 1 shows their raw data for soil containing 14 fungal species. Table 1 Plant species Total shoot biomass / g m–2 Poa compressa 2 Achillea millefolium 4 Aster cordifolius 5 Aster novae-angliae 7 Chrysanthemum leucanthemum 15 Daucus carota 36 Fragaria virginiana 51 . Suggest one reason the scientists used biomass instead of the number of individuals of each plant species when collecting data to measure diversity. [1 mark]
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