Combined Science 8464/2F June 2023

AQA GCSE Combined Science (8464) Jun 2023

معلم موافق رایگان بودن است.

The June 2023 GCSE Combined Science Biology Paper 2 (Foundation Tier) examines peat bogs, human impacts on ecosystems, reaction time studies, and biodiversity near water sources. Key topics include abiotic and biotic factors, quadrat sampling, selective breeding, GM salmon, and homeostasis in temperature regulation. It addresses sexual reproduction, genetic disorders, embryonic screening, and the extinction of species, highlighting antibiotic resistance in bacterial evolution. Data analysis tasks focus on environmental changes and their effects on species and ecosystems. Keywords: biology, ecosystems, reaction time, biodiversity, selective breeding, homeostasis, reproduction, genetic screening, antibiotic resistance, extinction.