iGCSE Biology 2021: First 15 Topics with Exam Walkthroughs
ATTENTION PARENTS: Purchase this course for your children in Year 10-11 (Grade 9-10) studying GCSE, IGCSE, MYP
In this course students will learn exactly what they need to know for their biology exams so that they can learn as efficiently as possible. Students will learn about:
1. The nature and variety of living organisms.
1.1 The seven characteristics of living organisms.
1.2 How to describe the common features shown by eukaryotic organisms: plants, animals, fungi, and protoctists.
1.3 How to describe the common features shown by prokaryotic organisms such as bacteria.
1.4 The term pathogen and know that pathogens may include fungi, bacteria, protoctists or viruses.
2. Structure and functions in living organisms
2.1 How to describe the levels of organisation in organisms: organelles, cells, tissues, organs and systems.
2.2 How to describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole.
2.3 How to describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole.
2.4 The similarities and differences in the structure of plant and animal cells.
2.5 How to explain the importance of cell differentiation in the development of specialised cells.
2.6 The advantages and disadvantages of using stem cells in medicine.
2.7 How to identify the chemical elements present in carbohydrates, proteins and lipids (fats and oils).
2.8 How to describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units: starch and glycogen from simple sugars, protein from amino acids, and lipid from fatty acids and glycerol.
2.10 The role of enzymes as biological catalysts in metabolic reactions.
2.11 How temperature changes can affect enzyme function, including changes to the shape of active site.
2.13 How enzyme function can be affected by changes in pH altering the active site.
2.15 The processes of diffusion, osmosis and active transport by which substances move into and out of cells.
2.16 How factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient.
2.18 Understand the process of photosynthesis and its importance in the conversion of light energy to chemical energy
2.19 Know the word equation and the balanced chemical symbol equation for photosynthesis
2.20 understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis
2.21 Describe the structure of the leaf and explain how it is adapted for photosynthesis
2.22 Understand that plants require mineral ions for growth, and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids
2.24 Understand that a balanced diet should include appropriate proportions of carbohydrate, protein, lipid, vitamins, minerals, water and dietary fibre
2.25 Identify the sources and describe the functions of carbohydrate, protein, lipid (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre as components of the diet
2.26 Understand how energy requirements vary with activity levels, age and pregnancy
2.27 Describe the structure and function of the human alimentary canal, including the mouth, oesophagus, stomach, small intestine (duodenum and ileum), large intestine (colon and rectum) and pancreas
2.28 Understand how food is moved through the gut by peristalsis
2.29 Understand the role of digestive enzymes, including the digestion of starch to glucose by amylase and maltase, the digestion of proteins to amino acids by proteases and the digestion of lipids to fatty acids and glycerol by lipases
2.30 Understand that bile is produced by the liver and stored in the gall bladder
2.31 Understand the role of bile in neutralising stomach acid and emulsifying lipids
2.32 Understand how the small intestine is adapted for absorption, including the structure of a villus
2.34 Understand how the process of respiration produces ATP in living organisms
2.35 Know that ATP provides energy for cells
2.36 Describe the differences between aerobic and anaerobic respiration
2.37 Know the word equation and the balanced chemical symbol equation for aerobic respiration in living organisms
2.38 Know the word equation for anaerobic respiration in plants and in animals
2.40B Understand the role of diffusion in gas exchange
2.41B Understand gas exchange (of carbon dioxide and oxygen) in relation to respiration and photosynthesis
2.42B Understand how the structure of the leaf is adapted for gas exchange
2.43B Describe the role of stomata in gas exchange
2.44B Understand how respiration continues during the day and night, but that the net exchange of carbon dioxide and oxygen depends on the intensity of light
2.46 Describe the structure of the thorax, including the ribs, intercostal muscles, diaphragm, trachea, bronchi, bronchioles, alveoli and pleural membranes
2.47 Understand the role of the intercostal muscles and the diaphragm in ventilation
2.48 Explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries
2.49 Understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease
2.51 Understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell
2.52 Understand the need for a transport system in multicellular organisms
2.53 Describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant
2.54 Describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant
2.55B Understand how water is absorbed by root hair cells
2.56B Understand that transpiration is the evaporation of water from the surface of a plant
2.57B Understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity
2.59 Describe the composition of the blood: red blood cells, white blood cells, platelets and plasma
2.60 Understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy
2.61 Understand how adaptations of red blood cells make them suitable for the transport of oxygen, including shape, the absence of a nucleus and the presence of haemoglobin
2.62 Understand how the immune system responds to disease using white blood cells, illustrated by phagocytes ingesting pathogens and lymphocytes releasing antibodies specific to the pathogen
2.63B Understand how vaccination results in the manufacture of memory cells, which enable future antibody production to the pathogen to occur sooner, faster and in greater quantity
2.64B Understand how platelets are involved in blood clotting, which prevents blood loss and the entry of micro-organisms
2.65 Describe the structure of the heart and how it functions
2.66 Explain how the heart rate changes during exercise and under the influence of adrenaline
2.67 Understand how factors may increase the risk of developing coronary heart disease
2.68 Understand how the structure of arteries, veins and capillaries relate to their function
2.69 Understand the general structure of the circulation system, including the blood vessels to and from the heart and lungs, liver and kidneys
2.70 Understand the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf
2.71 Know the excretory products of the lungs, kidneys and skin (organs of excretion)
2.72B Understand how the kidney carries out its roles of excretion and osmoregulation
2.73B Describe the structure of the urinary system, including the kidneys, ureters, bladder and urethra
2.74B Describe the structure of a nephron, including the Bowman’s capsule and glomerulus, convoluted tubules, loop of Henle and collecting duct
2.75B Describe ultrafiltration in the Bowman’s capsule and the composition of the glomerular filtrate
2.76B Understand how water is reabsorbed into the blood from the collecting duct
2.77B Understand why selective reabsorption of glucose occurs at the proximal convoluted tubule
2.78B Describe the role of ADH in regulating the water content of the blood
2.79B Understand that urine contains water, urea and ions
2.80 Understand how organisms are able to respond to changes in their environment
2.81 Understand that homeostasis is the maintenance of a constant internal environment, and that body water content and body temperature are both examples of homeostasis
2.82 Understand that a co-ordinated response requires a stimulus, a receptor and an effector
2.83 Understand that plants respond to stimuli
2.84 Describe the geotropic and phototropic responses of roots and stems
2.85 Understand the role of auxin in the phototropic response of stems
2.86 Describe how nervous and hormonal communication control responses and understand the differences between the two systems
2.87 Understand that the central nervous system consists of the brain and spinal cord and is linked to sense organs by nerves
2.88 Understand that stimulation of receptors in the sense organs sends electrical impulses along nerves into and out of the central nervous system, resulting in rapid responses
2.89 Understand the role of neurotransmitters at synapses
2.90 Describe the structure and functioning of a simple reflex arc illustrated by the withdrawal of a finger from a hot object
2.91 Describe the structure and function of the eye as a receptor
2.92 Understand the function of the eye in focusing on near and distant objects, and in responding to changes in light intensity
2.93 Describe the role of the skin in temperature regulation, with reference to sweating, vasoconstriction and vasodilation
2.94 Understand the sources, roles and effects of the following hormones: adrenaline, insulin, testosterone, progesterone and oestrogen
2.95B Understand the sources, roles and effects of the following hormones: ADH, FSH and LH
AT LEAST 10 PAST PAPER EXAM QUESTION WALKTHROUGHS
ATTENTION PARENTS: Does your student need help learning IGCSE and GCSE Biology from home? This course will give them the skills they need to feel confident for their exams.
As soon as students sign up for this IGCSE Biology and GCSE Biology masterclass they will receive access to:
NEW and updated IGCSE bio & GCSE bio video lessons for each section of the course.
FREE digital IGCSE bio & GCSE bio summary notes with a value of $49.99.
FULL EXAM QUESTION WALKTHROUGHS of past exam papers to help you learn the best exam writing strategies.
FREE topic-specific IGCSE biology past exam paper questions and mark schemes.
This course has two objectives:
To teach all aspects of IGCSE biology & GCSE biology theory: Content is delivered during quick, efficient video lessons that are easy to for students to understand and absorb.
To teach IGCSE biology & GCSE biology exam strategy: Exam strategy is one of the most important skills needed in the IGCSE exams. During this masterclass you will learn everything you need to know using full Past Exam Paper Walkthroughs.
This IGCSE biology & GCSE biology (O Level) course covers "Part 1 Living Organisms" which includes training on:
Characteristics of living organisms.
Variety and features of living organisms.
Levels of organisation.
Cell structure and organisation.
Biological molecules & food tests.
This IGCSE biology (O Level) masterclass is offered by IGCSEprep on Udemy. This masterclass covers all the content needed to write the IGCSE biology exams offered by Pearson Edexcel (double or triple) or Cambridge CIE (core or extended) or other exam boards like Oxford AQA.
$ 49.99
per course
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