PowerPoint presentation and worksheet on antibiotic resistance 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 Evolution (https://www.tes.com/teaching-resource/resource-12557498) Content Covered: -Emergence of resistant strains by mutation -Population growth of antibiotic resistant bacteria through natural selection -Misuse of antibiotics -Development of new antibiotics 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 levels of organisation. 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 (recall from previous topic) -Group reading task (literacy) -Keywords activity -Task boxes -Handout sheet task -Sorting task -Recall questions linking this topic to previous learning Next lesson Gas Exchange https://www.tes.com/teaching-resource/resource-12652335 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 7 ~ complete lesson on observing cells using a light microscope. In this lesson students will learn how to describe what a cell is, explain how to use a microscope to look at cells and calculate the total magnification of a microscope. These slides can be used as a stand-alone or incorporated into a practical lesson. 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 (pair and share) Group reading task (literacy) Keywords activity (Vocabulary: cell, observation, organism, microscope and magnification) Task boxes Handout sheet task Ordering the steps of using a m icroscope task Numeracy task All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. Onion cells practical slides and handout sheet are included. Leads to Plant and Animal Cells (https://www.tes.com/teaching-resource/resource-12650214) www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on extinction. In this lesson students will learn about why species die out and explain the purpose of conservation and gene banks. 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: extinct, fossils, biodiversity, endangered and gene banks) -Task boxes -Order the steps -Comprehension questions -Discussion exercise -Answer slides included for self-assessment -Next lesson Revision https://www.tes.com/teaching-resource/resource-12771752 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Environmental Change. In this lesson pupils will list some types of environmental change, explain why these changes happen and describe some of the effects. 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 -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 The Water Cycle https://www.tes.com/teaching-resource/resource-12983959 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Easter themed revision lesson for key stage 3 year 8 biology covering the topic of reproduction. Happy Holidays! In this lesson students will revise: -Adolescence -Reproductive Systems -Fertilisation and Implantation -Gestation and Birth -The Menstrual Cycle -Plant Reproduction and Seed Dispersal www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on specialised cells 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 Stem Cells: https://www.tes.com/teaching-resource/stem-cells-slides-and-worksheet-gcse-biology-aqa-12317132 Content Covered: Specialised cells Muscle, nerve and sperm cells Xylem, phloem, root hair and guard cells Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Stem cells lesson https://www.tes.com/teaching-resource/resource-12829988

PowerPoint presentation and worksheet on respiration 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. Next topic The Nervous System: https://www.tes.com/teaching-resource/resource-12361294 Content Covered: Processes which use energy from respiration Aerobic vs anaerobic respiration Exercise Anaerobic respiration in plants and yeast Oxygen debt Pulse and breathing rate 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 control of body temperature 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. Next topic The Endocrine System: https://www.tes.com/teaching-resource/resource-12362835 Content Covered: Recap enzymes and homeostasis Negative feedback control of body temperature The thermoregulatory center Hot and cold skin responses Frostbite Antagonistic effectors Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on The Eye. In this lesson pupils will identify the structures of the eye and describe what they do. They also will explain how the iris reflex responds to bright and dim light. 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: correcting vision defects is covered in a separate lesson https://www.tes.com/teaching-resource/-13025883 This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: light intensity, refract, contract and diameter). -Task boxes -Handout sheet task -Order the steps -Discussion exercises -Comprehension 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. It does assume that the nervous system and reflexes have already been introduced. Discussion/extension answers are in the ppt notes. https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Correcting Vision Defects. In this lesson pupils will describe how we focus on near and far objects, explain why some people are long-sighted or short-sighted and describe treatments for vision defects. 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. Eye anatomy and controlling pupil size is a separate lesson which can be found here https://www.tes.com/teaching-resource/resource-13000956 This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: accommodation, myopia, hyperopia, slacken and refract). -Task boxes -Handout sheet task -Order the steps -Comprehension 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. It does assume that the anatomy of the eye has already been introduced. Discussion/extension answers are in the ppt notes. -Next lesson Controlling Body Temperature https://www.tes.com/teaching-resource/resource-13026226

Key Stage 4 ~ GCSE Biology~ lesson on the work of Gregor Mendel. In this lesson, students will describe the work Mendel, state the three conclusions Mendel came to and explain why it took time for people to understand Mendel’s work. 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) Handout sheet task with extension Task boxes Discussion exercise Comprehension questions Order the steps to show the timeline of later discoveries 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 some prior familiarity with genetic diagrams and the terminology of genetics (https://www.tes.com/teaching-resource/-13044789). Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ lesson on Evolution. In this lesson, students will describe the process of evolution by natural selection, explain the evidence for evolution and discuss why Charles Darwin’s work was controversial. 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 What are these characteristics for? Group reading (literacy) Keywords (vocabulary: fittest, phenotypic variation, genotypic variation, evolution and adaptation) Task boxes Order the steps to show Darwin’s Theory of Evolution Discussion exercise Comprehension questions Handout sheet task 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 lesson is fully self-explanatory and can be delivered without specialist knowledge. It assumes that the previous content from topic 6 has been introduced but not necessarily mastered. Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ lesson on Genetic Diagrams. In this lesson, students will explain the difference between dominant and recessive characteristics and learn how to use two different types of genetic diagram to show the odds of inheriting traits controlled by one gene. They will then use family trees to show how to track inherited traits. 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 Keywords (vocabulary: characteristics, alleles, dominant allele, recessive allele, homozygous and heterozygous) Comprehension questions Modelling genetic diagrams Paired exercise Handout sheet exercise Order the steps Task boxes 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~ lesson on Fossils. In this lesson, students will describe three ways in which fossils can form. They will explain how fossils provide evidence for how life on Earth developed. 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 Discussion exercise Order the steps Handout sheet task 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 lesson is fully self-explanatory and can be delivered without specialist knowledge. It assumes that the previous content from topic 6 has been introduced but not necessarily mastered. Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ full lesson on Reproduction in Bacteria. This lesson is a bit longer as it includes post-practical exercises as well as a full theory lesson. Pupils will explain how prokaryotic cells reproduce and calculate the number of bacteria in a population. They will also describe culturing microorganisms. 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 -Numeracy task -Discussion exercise -Handout sheet task -Order the steps -Comprehension 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. Discussion/extension answers are in the ppt notes. -Next lesson Diffusion and Osmosis https://www.tes.com/teaching-resource/resource-12831793 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Comparing Nerves and Hormones. In this lesson pupils will recap some of what they have learned in previous lessons about nerves and hormones, compare their similarities and differences and decide whether different examples are nerves or hormones. 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) Discussion exercise Nerves or hormones Task boxes 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. It does assume that students have already covered the basics of the nervous (https://www.tes.com/teaching-resource/resource-12960383) and endocrine systems (https://www.tes.com/teaching-resource/resource-13027931). Discussion/extension answers are in the ppt notes. Next lesson Blood Glucose and Diabetes https://www.tes.com/teaching-resource/resource-13031727

PowerPoint presentation and worksheet on cell structure 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 Specialised Cells https://www.tes.com/teaching-resource/specialised-cells-slides-and-worksheet-gcse-biology-aqa-12316142 New: Cell Structure GCSE Full Lesson https://www.tes.com/teaching-resource/resource-12829058 Content Covered: Eukaryotic and prokaryotic cells Subcellular structures Calculating the area of cells Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Discussion exercise and worksheet on risk factors and non-communicable diseases for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Leads on to Cardiovascular Disease: https://www.tes.com/teaching-resource/cardiovascular-disease-slides-and-worksheet-gcse-biology-aqa-12344623 Content Covered: Types of risk factor Asbestos Global, national and local risk factors Direct and indirect causes of disease Identifying risk factors by correlation Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Health and disease lesson https://www.tes.com/teaching-resource/resource-12873200