OCR A Level Biology A lesson on Maintaining Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (g) Objectives for this lesson: Recall the factors affecting biodiversity. Describe the reasons for maintaining biodiversity. Explain, with examples the reasons for maintaining biodiversity. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Microscopy. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (a & f) Objectives for this lesson: • Name and describe the function of the main components of the light microscope. • Explain the difference between magnification and resolution. • Compare the functional capabilities and specimen suitability for the electron microscope (scanning and transmission) and the scanning confocal microscope. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Sampling. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (b)(i) and © Objectives for this lesson: Define species richness and species evenness. Describe how sampling is used to measure biodiversity. Explain the importance of sampling. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Factors affecting Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (f) Objectives for this lesson: State the factors that affect biodiversity. Describe how each factor can affect biodiversity. Calculate percentage loss of habitat. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Drawing Skills for Microscopes. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (b & c) Objectives for this lesson: • Recall some of the rules of scientific drawing. • Describe the difference between a dry and wet mount. • Explain the purpose of staining in preparing a sample. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lessons on Pathogens & Modes of Transmission. This is two of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 (a, b) Objectives for this lesson: • Recall the different types of pathogen. • Describe the means of transmission of pathogens in both plant and animals. • Evaluate how living conditions can influence the transmission rates of pathogens. First lesson is covering the theory and setting the homework task of creating a presentation on one of the pathogens ready to present in the second lesson. During presentation in the second lesson, students can complete notes on the required information. BONUS content: I have also included a marking rubric that can be used to provide feedback. All you need to go is fill in the student name and marks for each area on the Marking sheet and then print off the Print spreadsheet, I usually print these 2 per page. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Plant Defences. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 © Objectives for this lesson: • Name the different methods of plant defences against pathogens. • Describe how plants defend against pathogens. • Explain the passive and active defences of plants against pathogens. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Immunity. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 (j) Objectives for this lesson: • Give examples of natural and artificial immunity. • Describe how the different types of immunity work. • Compare active and passive immunity. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Autoimmune Diseases. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 (k) Objectives for this lesson: • Define autoimmune disease. • Describe examples of autoimmune diseases. • Evaluate information on a named autoimmune disease. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

This is designed for the OCR A Level Biology A Module 2.1.2 Biological Molecules. It is a 62 page workbook for students to fill in and also has exam questions for each lesson. There is also answer books included. This workbook was designed with my lessons, so please check them out as well. Please leave a review.

OCR A Level Biology A lesson on DNA Structure and Modelling. This is one of seven lessons to meet the specification points for 2.1.3 Nucleotides and Nucleic Acids. Objectives for this lesson: Describe the structure of DNA. Understand the synthesis and breakdown of polynucleotides. Explain why DNA has a ‘double helix’ shape. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on The Effect of Substrate and Enzyme concentrations on Rate of Reaction. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Describe the effect of enzyme concentration and substrate concentration on enzyme activity. • Draw and interpret graphs for rates of reaction. • Estimate the initial rate of reaction from a graph. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Theories of Enzyme Action. This is one of eight lessons to meet the specification points for 2.1.4 Enzymes. Objectives for this lesson: • Recall the role of enzymes. • Explain the mechanism of enzyme action. • Evaluate the use of different models of enzyme action. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Structure and Function of Gas Exchange System in Insects. This is one of eight lessons to meet the specification points for 3.1.1 Exchange Surfaces. Specification points: 3.1.1 (f) and (g) Objectives for this lesson: • Describe the structure of gas exchange system in an insect. • Explain how ventilation works in insects. • Demonstrate how the gaseous exchange system of an insect works through the use of modelling/dissection. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Evidence for Evolution. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (e) Objectives for this lesson: Recall the theory of evolution by natural selection. Describe the contributions of Darwin and Wallace to the theory of evolution. Explain the different types of evidence for evolution by natural selection. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Variation and Statistics. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (f) Objectives for this lesson: State what a null hypothesis is. Describe the different types of variation. Calculate variation using a range of statistical tests. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Calculating Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (d) Objectives for this lesson: Recall the definitions of species evenness and species richness. Describe how to use and interpret Simpson’s Index of Diversity. Calculate the Simpson’s Index of Biodiversity. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Primary Defences and Phagocytes. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 (d) Objectives for this lesson: • Define primary defence. • Describe the primary non-specific defences against pathogens in animals. • Explain the methods of secondary defence against pathogens in animals. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Primary And Secondary Infection. This is one of thirteen lessons to meet the specification points for 4.1.1 Communicable Diseases, disease prevention and the immune system. Specification points: 4.1.1 (g) Objectives for this lesson: • State the role of T memory cells and B memory cells in the immune response. • Describe the primary and secondary immune responses. • Compare and contrast the primary and secondary immune response. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

OCR A Level Biology A lesson on Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (a) Objectives for this lesson: Define species, habitat and biodiversity. Describe the different levels of biodiversity. Explain, with examples the different levels of biodiversity. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.