Biology GCSE OCR - Specimen 2016 - Paper 4
Multiple choice questions (1-15)
Standard questions (16-22)
Keywords: ecosystems, interactions between organisams, lichens, pollution.
Keywords: decomposition.
Keywords: antibiotic, bacteria, petri dish, incubation, resistance.
Keywords: allele, genetic disorder, protein, chromosome, genotype, phenotype, homozygous.
Keywords: fungicide, selective breeding, genetic engineering, climate change.
Keywords: cardiovasular disease, stroke, arteries, veins, pollutants.
Keywords: trophic levels, pyramid of biomass, population.
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