←Community level systems
From Paper 4, Higher
Define the terms community and ecosystem.
From Paper 4, Higher
Describe the stages of the water cycle.
From Paper 4, Higher
Describe a method to investigate the effect of temperature on the rate of decay of milk using lipase.
From Paper 4, Higher
Explain why a decrease in the number of rabbits could affect the population of foxes and grass.
From Paper 4, Higher
A student placed 10 quadrats of 1 m² randomly in a field of area 1200 m² and counted 48 daisies in total. Estimate the number of daisies in the field.
From Paper 4, Higher
Describe the processes that cycle carbon between the atmosphere and living things.
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This paper is written by Plasmo in the style of the OCR GCSE Biology exam. It is not a past paper and is not produced or endorsed by the exam board.