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Biology Year 9 Combined LPP
Content
Compare and contrast an animal, plant and bacterial cell.
Explain the adaptations of a sperm, egg and ciliated epithelial cell.
Topic 1 – Cells and Growth
Recall the role of a microscope and describe the function of the different parts.
Explain how changes in microscope technology have enabled us to develop our
understanding of cells.
Use the IAM triangle to calculate actual size, image size and magnification.
Calculate the field of view at different magnifications.
Use a microscope to prepare, observe and draw animal and plant cells.
Describe the function of mitosis.
Explain the stages of mitosis.
Explain the cause of cancer.
Describe the processes of growth in animals and plants.
Explain and interpret percentile charts.
Describe what a stem cell is.
Discuss the benefits and risks associated with stem cell medicine.
Explain how enzymes work.
Topic 2 – Enzymes and
Movement
Explain how an enzyme can be denatured.
Explain how temperature affects enzyme activity.
Explain how pH affects enzyme activity.
Explain how substrate concentration affects enzyme activity.
Demonstrate an understanding of rate calculations for enzyme activity.
Explain the importance of enzymes in digestions with specific examples.
Explain how substances are transported by diffusion.
Explain how substances are transported by osmosis.
Explain how substances are transported by active transport.
Investigate diffusion in agar.
Topic 3 – The
Nervous System
Investigate osmosis in potatoes and calculate percentage gain and loss of mass.
Recall the two parts of the central nervous system.
Identify the different parts of a nerve cell and describe the function of each part.
Explain the structure and function of a sensory neurone, motor neurone and relay
neurone.
Explain what happens at a synapse.
Explain the structure and function of a reflex arc.
Compare a voluntary nervous response to an involuntary nervous response.
Describe the function of meiosis.
Compare and contrast meiosis with mitosis.
Describe the shape and structure of a strand of DNA.
Topic 4 Genes
Describe how a section of DNA, called a gene, codes for a specific protein.
Discuss the outcomes of the Human Genome Project.
Explain the stages involved in extracting DNA from fruit.
Recall what an allele is.
State that most features are the results of multiple genes rather than single genes.
Describe the meaning of the keywords involved in inheritance.
Apply your knowledge of inheritance to understand and complete genetic
diagrams.
Describe how sex is determined using genetic diagrams.
Describe the two causes of variation giving examples.
State that variation within a population is due to mutations.
Describe the effect of mutations on a population.
Topic 5 – Natural Selection and
Genetic Modification
Recall what is meant by evolution.
Apply Darwin’s theory of evolution by natural selection to the peppered moth.
Describe the evidence for human evolution based on fossils and stone tools.
Explain how antibiotic resistance in bacteria supports Darwin’s theory of evolution.
Describe the features of the five kingdoms of classification.
Describe how genetic analysis has moved towards the three domains method of
classification.
Compare and contrast the five kingdom and three domain methods of classification.
Describe the stages of selective breeding.
Explain the impact of selective breeding on food, plants and domesticated animals.
Evaluate the benefits and risks of selective breeding.
Simply describe what genetic engineering is.
Describe the stages of genetic engineering (H).
Evaluate the benefits and risks of genetic engineering.