OCR A Level Biology A lesson on Calculating Genetic Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (e) and (f) Objectives for this lesson: Recall the definition for genetic diversity. Describe how genetic diversity may be assessed. Calculate the proportion of polymorphic gene loci. 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 Types of Transport Systems. This is one of ten lessons to meet the specification points for 3.1.2 Transport in Animals. Specification points: 3.1.2 (a) and (b) Objectives for this lesson: • State the different types of circulatory systems. • Describe named examples of different types of circulatory systems. • Explain why multicellular animals need transport systems. 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 Electrical Control of the Cardiac Cycle. This is one of ten lessons to meet the specification points for 3.1.2 Transport in Animals. Specification points: 3.1.2 (g) Objectives for this lesson: • State the parts of the heart involved in control of the heartbeat. • Describe the roles of the SAN, AVN and purkyne tissue. • Explain how heart action is initiated and coordinated. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.

Designed for the OCR A Level Lesson 6.4 on the organisation and specialisation of cells. As this is a topic students should have recall of from GCSE it is designed with brief introduction and then students work independently to make notes using the questions provided and their text books. I have introduced Cornell notes for this to provide students with an alternative method of note taking. Answers to questions provided.

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 PAG 3.1 Random Sampling. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (b)(ii) and (d) Objectives for this lesson: Recall the equation for Simpson’s Index of Diversity. Investigate species diversity using random sampling. Analyse data from PAG and calculate Simpson’s Index of Diversity. 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 PAG 3.2 Belt Transect. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (b)(ii) Objectives for this lesson: Recall sampling techniques. Investigate the abundance of plants in a line transect. Analyse the distribution and abundance of plants in a named 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 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 Conservation of Biodiversity. This is one of nine lessons to meet the specification points for 4.2.1 Biodiversity. Specification points: 4.2.1 (h) ands (i) Objectives for this lesson: Define conservation. Describe in situ and ex situ methods of maintaining biodiversity. Explain how international and local conservation agreements are made to protect species and habitats. 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 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 PAG 1 Microscopy. This is one of seven lessons to meet the specification points for 2.1.1 Cell Structure. Specification points: 2.1.1 (b, c & d) Objectives for this lesson: • Describe how to use the light microscope to view a sample. • Produce scientific drawings of samples using the light microscope. • Create a microscope slide of a sample using the correct techniques. 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.

Here is a workbook and answers for the whole of 4.1.1 Communicable Diseases, disease prevention and the immune system. This workbook is designed to go alongside my lessons that you can purchase.

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 lessons on The Specific Immune Response. 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 (f, h, i) Objectives for first lesson on cell mediated response: • List the cells involved in the specific immune response. • Describe the roles of B and T lymphocytes. • Explain the main stages of the specific immune response. Objectives for second lesson on humoral response: • Recall the role of antibodies. • Outline the action of opsonins, agglutinins and anti-toxins. • Explain the structure and function of antibodies. 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 Non-Specific Immune Response & Blood Smear PAG. 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 (e (i), e(ii)) Objectives for this lesson: • Recall how to use the light microscope and prepare samples. • Describe the mode of action of phagocytes. • Examine cells from a prepared blood smear and draw cells observed. Check out my other lessons and the accompanying workbook with exam questions (and answer booklet included). Please leave a review.