A full lesson covering section 4.2.1g of the OCR A level biology specification- the reasons for protecting biodiversity. It covers the economic, aesthetic and ecological reasons for protecting biodiversity. This includes key stone species and the importance of preserving genetic diversity. The lesson includes a starter, full notes, various student activities and a differentiated summary at the end All answers included

A full lesson covering 3.1.3 c of the OCR specification- Transpiration. Covers transpiration, the factors affecting the rate of transpiration, the use of potometers and the content required for PAG5.3 including how to calculate the volume of water lost and the transpiration rate. The lesson includes a starter exam question, full notes, various student activities, information around the PAG including alternative methods and a differentiated summery activity at the end All answers included

A full lesson covering section 4.1.1d of the OCR A level Biology specification- primary defenses against disease. It covers skin structure, blood clotting, mucous membranes, inflammation and coughing and sneezing. The lesson includes a starter, full notes, various student activities, and a differentiated summary activity at the end. All answers provided

This is a complete lesson covering sections 5.1.5 j of the OCR Biology specification-he co-ordination of animal responses by the endocrine and nervous system. It covers the flight and flight response as well as the role played by hormones in cell signalling using adrenaline as an example. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.5 l of the OCR Biology specification-muscles. It covers the structure and function of skeletal muscle, smooth muscle and cardiac muscle. It then goes into the ultra-structure of a skeletal muscle including myofibrils, actin and myosin and how they work together to bring about muscle movement through the sliding filament model. The lesson closes by looking at the neuromuscular junction and how action potentials are passed to the muscle to cause contraction. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

A complete revision lesson covering the digestion section of AQA module B2- organisation. It also covers the two RPAs (enzymes and food tests) that occur in this topic. The lesson opens with the food tests RPA followed by looking at the components of a balanced diet along with the role of each nutrient in the body. The lesson then moves to look at the digestive system, its components and their individual role. It then looks at the stomach as an example of an organ with its tissues and their functions. The lesson the moves onto enzyme action and the enzymes of the human digestive system. It then covers the enzymes RPA before finishing with a series of exam questions. Includes retrieval type activities All answers are provided and no printing is required Update 11/05/22- sudan III test for fats added Update 08/05/23- changes to reflect return to normal exam arrangements

A full lesson covering section 3.1.3f of the OCR Biology specification- Translocation. It includes details of how assimilates are transported in the phloem including active loading, the role of hydrogen ions, how fluid is transfered by mass flow powered by hydrostatic pressure as well as the evidence for translocation and the difference between sinks and sources. It also encourages students to make comparisons between the mechanisms for translocation and transpiration The PowerPoint includes a starter, full notes with diagrams, a variety of student activities and a fully differentiated summary at the end. All answers are included Updated 08/01/21

This is a complete lesson covering sections 5.1.5 i of the OCR Biology specification-reflex reactions. The lesson starts by introducing the reflex arc and what the events in one are. It also covers the knee jerk reflex and the blink reflex as examples of the survival importance of reflexes. It also offers an opportunity of planning a practical investigating reaction times The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.2.1 a, b and c of the OCR Biology specification- chloroplasts and chlorophyll. It starts by looking at the compensation point and offering students the chance to analyse some data. It then looks at chloroplasts and how they are adapted to their role before discussing the structure of chlorophyll. The lesson then looks at light absorption spectra and provides data for students to draw a graph of the absorption spectra for chlorophyll a and b. The lesson closes by looking at photosystems and introducing their role in the light dependent reaction. The lesson does not cover chemiosmosis. I cover this during respiration. Please my other free resource: https://www.tes.com/teaching-resource/resource-12629704 The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is the fourth lesson in OCR A Level Biology module 3 section 3.1.2 Heart structure and function. It is a full lesson including starter, student activities, full notes and a differentiated summary activity at the end. It also includes instructions for the heart dissection PAG2 and a video as an alternative should practical work not be possible due to Covid-19. All answers are included

This is the fifth lesson in OCR module 3 Exchange surfaces. It is a complete lesson covering section 3.1.1 f and g- Insect ventilation. This is a complete lesson including a starter, full notes, various student activities and a differentiated summary. It also includes a worksheet and link to a you tube video covering insect dissection so you can still cover this topic even in Covid-secure times. All answers are included. The answers to the worksheet are in the PowerPoint. Some slides have additional guidance to support lesson delivery / delivery of the content covered.

A double lesson covering module 4 sections 4.2. 2 e, h and i of the OCR A level BIology specification- the evidence for and process of natural selection. The lesson covers Darwin’s journey on the Beagle and the evidence that he collected as well as the observations that he made. It also discusses the conclusions he was able to draw from those observations. It then looks at natural selection as a means for evolution as well as modern issues with evolution including pesticide resistance and MRSA. It closes by introducing the red queen hypothesis and its meaning for evolution. The lesson includes a starter, full notes, a variety of student led activities and a differentiated summary at the end. All answers provided

A Powerpoint revising the structure and function of the eye as well as the reflex arc. Includes a variety of revision activities as well as an exam question pitched at the higher end of the spectrum Ray diagrams are included as individual sheets as well as a combined worksheet

A complete lesson covering specification point 4.1.1e- the structure and function of phagocytes. It also includes instructions for PAG1 using a microscope to observe a blood smear. The lesson covers the structure of neutrophils and macrophages as well as the function they play in both the secondary immune response and the specific immune response . It also includes an image of a blood smear to allow students to practice biological drawings if working online and not able to complete the practical. The lesson includes an exam question starter, full notes, a variety of independent student activities, instructions for the PAG and a differentiated summary at the end.

A complete lesson covering the specification points 5.1.2 e and f- kidney failure and its treatment and the use of urine testing both in medical diagnosis and in detecting drug use. The lesson includes a starter, full notes various student activities including exam questions and a differentiated summary at the end. All answers provided I always try to reduce photocopying so all resources are embedded in the PPT

A full lesson covering section 5.1.1 a-c of the OCR Biology specification- Homeostasis. The lesson covers the need for communication systems as well as the methods by which cells can communicate with other cells including the example of the dogs vomit fungus. It also introduces the principles of homeostasis including negative and positive feedback as well as the internal conditions that need to maintained. The lesson includes a starter, full notes, a variety of student activities, and a fully differentiated summary at the end. All answers included

The first lesson in OCR A level Biology Module 3 Animal Transport section 3.1.2 a and b- types of circulatory system. It is a free sample to show the structure of the other lessons in the topic. It includes a starter, full notes with supporting animations, various student activities and a differentiated summary activity at the end. All answers are provided Some slides have additional information for teachers to support delivery / understanding of the set task.