Biology

01 Characteristics & Classification of Living Organisms1 topic ⌄

Characteristics, Classification & Features of Organisms5 lessons⌄

1. Characteristics of Living Organisms
2. Concept & Uses of Classification Systems
3. Concept & Uses of Classification Systems Continued
4. Features of Organisms
5. Features of Organisms Continued

02 Organisation of the Organism1 topic ⌄

Cell Structure & Size of Specimens4 lessons⌄

1. Cell Structure
2. Organisation of Cells
3. Magnification Formula
4. Converting Between Units

03 Movement into & out of Cells1 topic ⌄

Diffusion, Osmosis & Active Transport8 lessons⌄

1. Diffusion in Biology
2. Factors that Influence Diffusion
3. Water
4. Osmosis
5. Osmosis Experiments
6. Osmosis in Animals & Plants
7. Active Transport
8. Proteins & Active Transport

04 Biological Molecules1 topic ⌄

Biological Molecules3 lessons⌄

1. Chemicals & Life
2. Food Tests
3. DNA Structure

05 Enzymes1 topic ⌄

Enzymes5 lessons⌄

1. Enzymes
2. Enzyme Investigations
3. Enzyme Action & Specificity
4. Enzymes & Temperature
5. Enzymes & pH

06 Plant Nutrition1 topic ⌄

Photosynthesis & Leaf Structure11 lessons⌄

1. Photosynthesis
2. Chlorophyll
3. Use & Storage of Carbohydrates
4. Minerals in Plants
5. Investigating the Need for Chlorophyll, Light & Carbon Dioxide
6. Investigating the Rate of Photosynthesis
7. Investigating Gas Exchange
8. Photosynthesis Chemical Equation
9. Limiting Factors
10. Leaf Structure
11. Identifying Leaf Structures in a Dicotyledonous Plant

07 Human Nutrition1 topic ⌄

Human Diet & Digestion14 lessons⌄

1. Diet & Deficiencies
2. Digestive System
3. Physical Digestion
4. Teeth & Digestion
5. The Stomach
6. Emulsification of Fats & Oils
7. Chemical Digestion
8. Enzymes in Digestion
9. Hydrochloric Acid
10. Digestion of Starch
11. Digestion of Protein
12. Bile
13. Absorption
14. Adaptations of the Small Intestine

08 Transport in Plants1 topic ⌄

Transport in Plants8 lessons⌄

1. Xylem & Phloem
2. Root Hair Cells
3. Pathway Taken by Water
4. Transpiration
5. Investigating Temperature & Wind Speed
6. Transpiration Stream
7. Explaining the Effects of Temperature, Wind Speed & Humidity
8. Translocation

09 Transport in Animals1 topic ⌄

Circulatory Systems, Heart & Blood Vessels17 lessons⌄

1. Circulatory System
2. Circulatory System Continued
3. The Mammalian Heart
4. Monitoring Activity of the Heart
5. Investigating Effect of Physical Activity on Heart Rate
6. Coronary Heart Disease
7. Identifying Structures in the Heart
8. Functioning of the Heart
9. Explaining the Effect of Physical Activity on Heart Rate
10. Blood Vessels
11. Circulation Around the Body
12. Structure & Function of Blood Vessels
13. Blood Vessels & the Liver
14. Components of Blood
15. Blood Clotting
16. White Blood Cells
17. Conversion of Fibrinogen

10 Diseases & Immunity1 topic ⌄

Diseases & Immunity8 lessons⌄

1. Pathogens & Barriers
2. Controlling the Spread of Disease
3. Active Immunity
4. Antigens & Antibodies
5. Vaccination
6. Preventing the Spread of Disease
7. Passive Immunity & Breastfeeding
8. Cholera

11 Gas Exchange in Humans1 topic ⌄

Gas Exchange in Humans10 lessons⌄

1. Features of Gas Exchange Surfaces
2. The Breathing System
3. Investigating the Differences in Inspired & Expired Air
4. Differences in Inspired & Expired Air
5. Investigating the Effects of Physical Activity on Breathing
6. Identifying Intercostal Muscles
7. Function of Cartilage in the Trachea
8. Volume & Pressure Changes in the Lungs
9. Explaining the Link Between Physical Activity & Breathing
10. Protecting the Breathing System

12 Respiration1 topic ⌄

Respiration3 lessons⌄

1. Respiration in Cells
2. Aerobic Respiration
3. Anaerobic Respiration

13 Excretion in Humans1 topic ⌄

Excretion in Humans3 lessons⌄

1. Excretion in Humans
2. The Kidney
3. The Role of the Liver in Excretion

14 Coordination & Response1 topic ⌄

Coordination, Response & Homeostasis11 lessons⌄

1. Mammalian Nervous System
2. Types of Neurones
3. The Reflex Arc
4. The Synapse
5. Sense Organs
6. The Eye
7. Hormones in Humans
8. Homeostasis & Insulin
9. Homeostasis
10. Homeostasis: Temperature Control
11. Tropisms

15 Drugs1 topic ⌄

Drugs in Medicine1 lesson⌄

1. Drugs in Medicine

16 Reproduction1 topic ⌄

Reproduction in Plants & Humans6 lessons⌄

1. Asexual Reproduction
2. Sexual Reproduction
3. Sexual Reproduction in Plants
4. Sexual Reproduction in Humans
5. Sexual Hormones in Humans
6. Sexually Transmitted Infections

17 Inheritance1 topic ⌄

Inheritance, Genes & Cell Division9 lessons⌄

1. Chromosomes, Genes & Proteins
2. The Inheritance of Sex
3. Genes & Proteins
4. Protein Synthesis
5. Which Proteins are Synthesised?
6. Mitosis
7. Meiosis
8. Monohybrid Inheritance
9. Codominance & Sex-Linked Characteristics

18 Variation & Selection1 topic ⌄

Variation & Natural Selection5 lessons⌄

1. Variation in Biology
2. Adaptive Features
3. Adaptive Features Continued
4. Natural Selection
5. Artificial Selection

19 Organisms & Their Environment1 topic ⌄

Energy & Feeding Relationships6 lessons⌄

1. Transfer of Energy
2. Food Chains & Food Webs
3. Pyramids of Number & Biomass
4. Pyramids of Energy
5. Nutrient Cycles
6. Populations

20 Human Influences on Ecosystems1 topic ⌄

Human Impact: Biodiversity, Pollution & Conservation7 lessons⌄

1. Ensuring Food Supply
2. The Importance of Biodiversity
3. Water Pollution
4. Other Pollution
5. Sustainability
6. Endangered Species
7. Reasons for Conservation

21 Biotechnology & Genetic Modification1 topic ⌄

Biotechnology & Genetic Modification3 lessons⌄

1. Usefulness of Bacteria
2. Biotechnology
3. Genetic Modification