Year 9 biology
Topics are arranged by the term they are taught. Pick the one you are doing in class: each has a lesson video, worked questions and practice at three levels.
Autumn term
- BiologyCell structure and transportLight and electron microscopes, magnification, eukaryotic and prokaryotic cells, specialised cells, diffusion, osmosis and active transport.100 questionsLesson video
- BiologyCell divisionDNA, genes and chromosomes, the cell cycle and mitosis, differentiation, stem cells and cloning.100 questionsLesson video
Spring term
- BiologyOrganising animals and plantsTissues, organs and organ systems, digestion and enzymes, blood and the heart, gas exchange, and transport and transpiration in plants.100 questionsLesson video
- BiologyNon-communicable diseaseLifestyle risk factors, correlation and causation, cancer, smoking, alcohol, diet, type 2 diabetes, BMI and treatments for heart disease.100 questionsLesson video
Summer term
- BiologyRespirationAerobic and anaerobic respiration, the effects of exercise, oxygen debt and the liver, metabolism, and cardiac output.100 questionsLesson video
- BiologyAdaptations and interdependenceCommunities and ecosystems, abiotic and biotic factors, competition, adaptations, sampling with quadrats and transects, and diversity.100 questionsLesson video