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AQA COMBINED SCIENCE - HIGHER - BIOLOGY PAPER 2 -PREDICTED PAPER 2021latest
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AQA Biology Paper 2 Higher Combined Science Predicted Paper 2022 a)State the source of all biomass on earth b)The yield of a crop depends on a number of factors. List 2 biotic and 2 abioticfactors t... hat could affect the yield of a crop. c)To determine the number of plants on a field, a farmer will use a quadrat andrandom sampling. i.Suggest why a farmer will use sampling rather than trying to getting anaccurate number. (2 marks ii.Explain the need for random sampling. iii.Suggest how random sampling could be achieved. d)To sample the number of crop plants and weeds in an area, the farmer used a25cm squared quadrat. Calculate the area of this square in m2 [Show More]
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