Welcome to IGCSE Biology. Please download the syllabus and scheme of work and read through!

Also, please purchase the Pearson Edexcel International GCSE (9-1) Biology Student as this will be referenced throughout the course and provides additional questions and resources for you to access. https://amzn.to/4dKg0zZ

After this unit you will need to assess your knowledge using the questions on P32-37. Keep track of your scores and make sure you go through the answers and identify gaps and re-address those gaps. Use our study skills sessions in the community for ideas on how to do this or ask in our weekly mentoring sessions.

Produce your own assessment tracking sheet.

Answers are found https://www.pearson.com/content/dam/one-dot-com/one-dot-com/international-schools/pdfs/IGAnswers/IGCSE/human-biology-answers.pdf

2.1 Describe the levels of organization in organisms: organelles, cells, tissues, organs and systems

Now complete Chapter questions on P32. Use the mark scheme in the Introduction. Mark and ask in the mentoring sessions if you have any queries.

After this unit you will need to assess your knowledge using the questions on P130-133. Keep track of your scores and make sure you go through the answers and identify gaps and re-address those gaps. Use our study skills sessions in the community for ideas on how to do this or ask in our weekly mentoring sessions.

Produce your own assessment tracking sheet.

Answers are found https://www.pearson.com/content/dam/one-dot-com/one-dot-com/international-schools/pdfs/IGAnswers/IGCSE/human-biology-answers.pdf

You will find some lessons will be by Dr Claire from her IGCSE Human Biology course! The two courses share the same content with regard to humans! So, if you see reference to Human Biology or HB please do not worry!!!

In the description for all lessons I will specify the textbook pages and specific questions to complete that will be different to those in the Human Biology textbook!

Answers to the questions from the textbook will be in the Introduction so you can self-mark your answers as well.

Enjoy! Any queries please message!

I have also uploaded a Food practical you can do at home from Twinkl! Try it! Send me photos of doing this!

Please now complete questions on P68-69 when finished this lesson.

This lesson is about the Heart but I have also added a bit of revision! Keep going back over previous content and don't forget to use resources such as Grade Gorilla and Seneca for quizzes and then topic exam questions from cognitoresources.org. Also use the Chapter and Unit questions from the text book!

If need more ideas then drop us a message or watch some mentoring sessions in the Community!

Complete questions from P130-133.

Mark them and always ask in mentoring session if you are unsure of anything! That is what we are here for!

Complete questions on P148-151 when completed lessons 27, 28 and 30.

Also try these MCQs now or after you have completed this unit. They are from Physics and Maths Tutor website (https://www.physicsandmathstutor.com/)

Complete questions from P164-167 in the text book.

After this lesson you can complete the module questions on P172-173. Fully mark and identify gaps. Produce flashcards from your answers, especially those you got incorrect.

Complete the Unit questions on P182 and use the answer sheet in the Introduction to mark and assess. Use our mentoring sessions to ask help if required.

Nicky introduced a comprehensive lesson on ecology and environmental science, covering key concepts such as ecosystems, populations, communities, and habitats, along with their scientific definitions and importance. She discussed various ecological sampling methods and tools used by scientists to study wildlife populations and ecosystems, emphasizing the need for accurate data collection and proper handling of organisms. The lesson concluded with practical exercises on population sampling and an assignment for students to research and present information about different ecosystems.

Apologies for the lesson saying Lesson 36.

The lesson focused on biodiversity and its importance for ecosystem health, with discussions covering key concepts like habitat, community, and population. A case study involving spider populations and climate change research was presented, along with examples of how environmental changes affect species distribution and survival. The lesson concluded with detailed discussions about rainforests, coral reefs, and their ecological roles, including threats from deforestation and climate change, while introducing methods for measuring biodiversity and setting assignments for students.

The lesson began with a review of biodiversity concepts and definitions of abiotic and biotic factors that affect ecosystems. Nicky explained various environmental factors and their impacts on organisms, using a seaside habitat as an example to demonstrate adaptations and methods for measuring biological diversity. The lesson concluded with discussions on trophic levels and food chains, including a detailed example of how changes in one part of a food chain can affect the entire ecosystem, followed by an exploration of marine ecosystems and their interdependencies.

Nicky conducted a lesson on ecology for IGCSE students, covering key concepts such as food chains, food webs, and energy transfer between trophic levels in ecosystems. She explained the challenges of measuring biomass and energy transfer efficiency in ecological studies, including the difficulties of counting mobile organisms and the impracticality of certain measurement methods. Nicky guided students through exercises on drawing energy pyramids and calculating energy transfer efficiencies, emphasizing the importance of understanding how energy flows through food chains in various ecosystems.

This lesson on crop production for IGCSE ecology covered various aspects of modern farming techniques, including greenhouse and hydroponic methods, the effects of increased CO2 and temperature on crop yield, and the use of fertilizers. The discussion also encompassed pest control methods, their impacts on ecosystems, and sustainable farming practices such as crop rotation and companion planting. The lesson concluded with exam questions on food security and an assignment on pest control methods, emphasizing the importance of balancing agricultural productivity with environmental concerns.

Nicky led a comprehensive lesson on the carbon dioxide cycle and greenhouse effect, covering the biological impacts of air pollutants and the importance of both the carbon and water cycles to living organisms. The lesson explored how human activities have disrupted natural cycles through increased emissions of greenhouse gases and pollutants, leading to environmental challenges that students were tasked to analyze through mind mapping and discussion. Nicky concluded by examining historical data on carbon dioxide levels and their relationship to global temperatures, while emphasizing the importance of being able to explain and analyze environmental data in exam settings.

Nicky led a comprehensive lesson on environmental issues, covering deforestation's impacts on water pollution and soil degradation, as well as fish farming methods and their associated challenges. She explained the process of eutrophication and its consequences for aquatic ecosystems, while also discussing the environmental impacts of biofuel production and large-scale deforestation. The lesson concluded with guidance on exam questions and strategies for approaching different question types, emphasizing the importance of understanding key concepts and making connections between environmental issues.

Nicky delivered a comprehensive lesson on mutations and cell division for the IGCSE biology course, explaining the scientific concepts of genetic mutations, their causes, and their potential effects on organisms. She discussed how mutations can occur randomly but can be inherited through sex cells, and covered the relationship between genotype and phenotype, including how mutations can affect enzyme function and protein formation. Nicky also explained how mutations can contribute to evolution by providing advantageous traits, and concluded with a review of key concepts and encouragement for students to review the material.

Nicky taught a lesson on variation in species as part of the IGCSE Biology and Double Science curriculum, covering genetic, environmental, and combined variations, along with concepts of random fertilization and mutations. The session included practical examples of genetic diagrams and Punnett squares to demonstrate allele combinations and probabilities. Nicky explained how both genetic factors like mutations and environmental influences contribute to variation, while also introducing the concept of natural selection and concluding with a review of mutation definitions.

Nicky taught a biology lesson on evolution as part of Unit 5, covering Charles Darwin's theory of natural selection and its application to both species adaptation and antibiotic resistance in bacteria. The lesson built upon previous discussions about variations within species, distinguishing between genetic and environmental factors while encouraging students to consider human variations. The session concluded with assignments for students to create storyboards illustrating Darwin's experiences and the development of his theory of natural selection.

Nicky began the lesson by reviewing previous concepts on natural selection and evolution before introducing the topic of selective breeding, also known as artificial selection. She explained how selective breeding involves human intervention to develop plants and animals with desired genetic traits through careful selection and crossing of parent organisms over multiple generations. The lesson concluded with discussions on the risks of reduced genetic variation and comparisons between natural selection, selective breeding, and genetic engineering, along with a review of key terms and concepts.

Nicky conducted a biology lesson on cloning techniques, covering both plant and mammalian cloning methods and their applications in agriculture and medicine. She demonstrated various cloning processes, including micropropagation and tissue culture, while explaining their commercial importance and limitations. The lesson concluded with discussions on ethical concerns surrounding cloning, including the potential for human cloning and the production of human proteins using transgenic animals.

Complete the Unit Questions on P277. Identify your gaps and don't forget to ask in the mentoring sessions for support!

The lesson covered the process of making yogurt using microorganisms and the role of lactic acid fermentation, including practical demonstrations and historical significance. The discussion then focused on experimental design principles for investigating yeast growth and fermentation processes, including methods for measuring yeast activity and controlling variables. Finally, the meeting explored biotechnology applications in food production, including the use of fermenters for growing genetically modified organisms and the role of yeast in bread-making, while considering the implications of industrial food production methods.

Nicky taught a lesson on genetic modification, explaining the fundamental processes of DNA manipulation and the use of vectors like plasmids and viruses for inserting genes into organisms. She covered practical applications of genetic engineering, including the production of human insulin using genetically modified bacteria and the development of genetically modified plants for improved food production. The lesson concluded with a discussion of ethical concerns and potential risks associated with genetically modified foods, while emphasizing the importance of understanding both the benefits and drawbacks of genetic engineering.