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 Phylogeny. This is one of eight lessons to meet the specification points for 4.2.2 Classification and Evolution. Specification points: 4.2.2 (d) Objectives for this lesson: Define phylogeny and the phylogenetic definition of species. Describe how classification is linked to phylogeny. Interpret phylogenetic trees. 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 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 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.

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 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 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.