Biology summaries Year 3 (mavo) · Clear summaries in English 1 · Organs and cells1.1Organisms→1.2The organisation of an organism→1.3Animal and plant cells→1.4Chromosomes→1.5Cell division: mitosis→1.6Reduction division: meiosis→2 · Reproduction and sexuality2.1The male reproductive system→2.2The female reproductive system→2.3Changes during puberty→2.4Fertilisation and pregnancy→2.5Birth→2.6Safer sex→2.7Sexuality→2.8Genetic testing→3 · Inheritance and evolution3.1Genotype and phenotype→3.2Genes and alleles→3.3Genetic crosses→3.4Pedigrees→3.5Variation in genotypes→3.6Evolution→3.7Evolutionary relationships→4 · Classification4.1The history of life on Earth→4.2Classifying organisms→4.3Bacteria and fungi→4.4Plants and animals→4.5Arthropods and vertebrates→4.6Identifying organisms→5 · Support and movement5.1The human skeleton→5.2Cartilage and bone tissue→5.3Connections between bones→5.4Muscles→5.5Posture and movement→5.6Injuries→6 · Ecology6.1Eating and being eaten→6.2Ecological pyramids→6.3The carbon and nitrogen cycles→6.4Ecological balance→6.5Adaptations in animals→6.6Adaptations in plants→7 · Sustainable living7.1Humans and the environment→7.2Food production→7.3Sustainable agriculture→7.4Energy→7.5Climate change→7.6Water→7.7Soil and waste→8 · Behaviour8.1What is behaviour?→8.2Causes of behaviour→8.3Innate and learned behaviour→8.4Social behaviour→8.5Division of tasks within groups→8.6Human behaviour→