PowerPoint presentation and worksheet on the eye for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Next topic Body Temperature: https://www.tes.com/teaching-resource/resource-12362801 Content Covered: Parts of the eye The iris reflex Accommodation (near and distant objects) Short- and long-sightedness Convex and concave lenses Other methods of vision correction Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on the respiratory system for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Leads on to Circulatory System: https://www.tes.com/teaching-resource/circulatory-system-slides-and-worksheet-gcse-biology-aqa-12340179 Content Covered: Thorax anatomy (lungs, diaphragm, bronchus, bronchioles, alveoli) Gas exchange in the body Calculating breathing rate Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Lungs lesson https://www.tes.com/teaching-resource/resource-12866802

PowerPoint presentation and worksheet on inherited disorders for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus but is also applicable to other courses. Content Covered: -Cystic Fibrosis (recessive) -Polydactyly (domainant) -Interpreting family trees -Bioethics of embryo selection Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on genetic engineering for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows on from Cloning. (https://www.tes.com/teaching-resource/resource-12625511) Next topic Fossils and Classification https://www.tes.com/teaching-resource/resource-12634123 COVER IMAGE: Ingrid Moen (et al) Gene expression in tumor cells and stroma in dsRed 4T1 tumors in eGFP-expressing mice with and without enhanced oxygenation.  BMC Cancer. 2012 Content Covered: -Uses for genetic engineering -GM crops -Pros and cons of genetic modification -Gene therapy -Genetic engineering method overview -Insulin producing bacteria -Genetic modification of multicellular organisms Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on breathing. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. This lesson includes: -Title slide with learning objectives -Starter task -Group reading task (literacy) -Keywords activity -Task boxes -Handout sheet task -Discussion activity -Note taking slide -Next lesson is the Skeleton https://www.tes.com/teaching-resource/resource-12652523 All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on food tests. In this lesson students will learn about how to test food for lipids, sugars, starch and protein. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Match the test (iodine for starch, filter paper and ethanol for lipids and Benedict’s solution for sugars). -Handout sheet task -Discussion exercise -Answer slides included for self-assessment -Next lesson Malnutrition https://www.tes.com/teaching-resource/resource-12761787 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on competition. In this lesson students will describe how adaptations help plants and animals to compete for different resources. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: competition, adaptation, mates and resources) -Task boxes -Matching exercise -Handout sheet task -Discussion exercise -Answer slides included for self-assessment -Next lesson Adapting to Change https://www.tes.com/teaching-resource/resource-12981293 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 9 ~ A short lesson on Fingerprinting and a full lesson on DNA Fingerprinting. Fingerprinting In this lesson pupils will describe how fingerprints are made and explain how forensic scientists match fingerprints to solve crimes. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Comprehension questions -Task boxes -Discussion exercise -Answer slides included for self-assessment DNA Fingerprinting In this lesson pupils will explain what is meant by DNA fingerprinting, describe how it works and discuss some uses for it. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: DNA fingerprinting, agarose gel, well, extracted and analysis) -Task boxes -Handout sheet task -Order the steps -Answer slides included for self-assessment Next lesson Blood Typing https://www.tes.com/teaching-resource/resource-12828014 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Plant Hormone. In this lesson, students will list some plant hormones and state their function. They will explain how these hormones can be used commercially. They will explain how plant responses can be investigated in the lab. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: Title slide with learning objectives A starter activity Group reading Discussion Exercise Comprehension questions Handout sheet task Task boxes Data task (numeracy) Includes assessment for learning (AFL). Answer slides included for self-assessment Suitable for remote, online, distance learning Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. It does assume that students have already covered the rest of the human endocrine system. Discussion/extension answers are in the ppt notes. Return to the start of the topic https://www.tes.com/teaching-resource/resource-12984155

Key Stage 4 ~ GCSE Biology~ lesson on DNA and Protein Synthesis. In this lesson, students will define key vocabulary like genes and genome, describe the structure of DNA and where it is found, state the steps of protein synthesis and explain the role of proteins in biology. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: Title slide with learning objectives A starter activity Group reading Keywords task (vocabulary: DNA, chromosome, gene, genome and inherited characteristics) Discussion Exercise Comprehension questions Handout sheet task Task boxes Linking questions (high ability) Includes assessment for learning (AFL). Answer slides included for self-assessment Suitable for remote, online, distance learning Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ full lesson on Cell Structure. In this lesson pupils will describe the function of subcellular structures, explain the difference between prokaryotic and eukaryotic cells and the difference between plant and animal cells. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Discussion exercise -Comprehension questions -Handout sheet task -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Microscopy https://www.tes.com/teaching-resource/resource-12829559 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Diffusion and Osmosis. This lesson does not cover the practical which you can download for free here: https://www.tes.com/teaching-resource/resource-12403223. Pupils will define diffusion and osmosis, explain what is meant by a partially permeable membrane and give examples of factors which affect the rate of diffusion. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Comprehension questions -Handout sheet task -Discussion exercise -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Active Transport https://www.tes.com/teaching-resource/resource-12831984 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 4 ~ GCSE ~ complete revision package for AQA topic 1 (cell biology and exchange surfaces). This lesson covers the major topics from this unit and can be used to revise for end of topic tests, as exam preparation or to address knowledge gaps identified in the end of topic assessments. There is enough content to split across more than one lesson. In this lesson students will revise: -Cell structure -Microscopy -Differentiation and specialised cells -Stem cells -Mitosis -Binary fission and culturing bacteria -Diffusion, osmosis and active transport -Exchange surfaces -Differentiated worksheet package for homework and practice -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12829058 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ free lesson on Exchanging Substances. Pupils will explain why multicellular organisms need specialised exchange surfaces. They will compare surface area to volume ratios and explore the examples of the lungs, small intestine, leaves and gills. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Numeracy task -Task boxes -Discussion exercise -Comprehension questions -Handout sheet task -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12829058 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Food Webs and Trophic Levels. For mixed ability groups I suggest splitting this into two lessons. In this lesson pupils will use key vocabulary to describe food chains, explain predator prey cycles and describe the knock-on effects of changing one population of organisms in a food web. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Comprehension questions -Task boxes -Handout sheet task -Predator-Prey cycles exercise -Order the steps (predator-prey cycles) -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Environmental Change https://www.tes.com/teaching-resource/-12983955 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Anaerobic Respiration. In this lesson pupils will write the word equations for anaerobic respiration in people, plants and yeast and explain why anaerobic respiration is used. They will compare anerobic to aerobic respiration and describe some examples of anaerobic respiration in yeast. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. Note: Oxygen Debt (https://www.tes.com/teaching-resource/-12960421) is a separate lesson and is not included in this one. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary; anaerobic respiration, aerobic respiration, lactic acid, oxidised and fermentation) -Task boxes -Sorting Task -Order the steps -Handout sheet task -Long answer questions -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge apart from the keyword pathogen which means disease-causing microorganism (germs). Discussion/extension answers are in the ppt notes. -Next lesson Oxygen Debt https://www.tes.com/teaching-resource/resource-12960421

PowerPoint presentation and worksheet on digestive enzymes for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Leads on to the Respiratory System: https://www.tes.com/teaching-resource/respiratory-system-slides-and-worksheet-gcse-biology-aqa-12337350 Content Covered: Overview of the digestive system Proteases, lipases and carbohydrases Bile Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Digestive Enzymes Lesson https://www.tes.com/teaching-resource/resource-12903171