Biology

Assessment

Paper 1 - Written exam (2 hours, 91 marks and is worth 35% of the final A Level) • Biological molecules; cells, how organisms exchange substances with their environment; genetic information; variation and relationships between organisms; relevant practical skills. Paper 2 - Written exam (2 hours, 91 marks and is worth 35% of the final A Level) • Energy transfers in and between organisms; how organisms respond to their internal and external environment; genetics; populations; evolution and ecosystems; control of gene expression; relevant practical skills. Paper 3 - Written exam (2 hours, 78 marks and is worth 30% of the final A Level) • Any content; any practical skills.