Combined Science 8464/2H June 2018

AQA GCSE Combined Science (8464) Jun 2018

معلم موافق رایگان بودن است.

The June 2018 GCSE Combined Science Biology Paper 2 (Higher Tier) examines plant growth factors, including light intensity, and abiotic and biotic influences. Key topics include bacterial evolution, antibiotic resistance, and extremophiles. The nervous system is analyzed through reflex arcs, signal transmission, and reaction time. Reproductive biology focuses on gamete formation, genetic variation, and triploid oyster development. Hormonal interactions in the menstrual cycle and contraceptive methods are explored. Data interpretation tasks address plant sampling, selective breeding, genetically modified crops, and environmental impacts on oyster populations. Keywords: biology, ecosystems, reproduction, nervous system, evolution, antibiotics, genetics, hormones.