Characteristics & Classification of Living Organisms

Characteristics, Classification & Features of Organisms

Characteristics of Living Organisms

Organisation of the Organism

Cell Structure & Size of Specimens

Cell Structure

Organisation of Cells

Magnification Formula

Converting Between Units

Movement into & out of Cells

Diffusion, Osmosis & Active Transport

Diffusion in Biology

Factors that Influence Diffusion

Osmosis

Osmosis Experiments

Osmosis in Plants

Active Transport

Biological Molecules

Biological Molecules

Chemicals & Life

Food Tests

Enzymes

Enzymes

Enzymes

Enzyme Investigations

Enzyme Action & Specificity

Enzymes & Temperature

Enzymes & pH

Plant Nutrition

Photosynthesis & Leaf Structure

Photosynthesis

Chlorophyll

Investigating the Need for Chlorophyll, Light & Carbon Dioxide

Investigating the Rate of Photosynthesis

Investigating Gas Exchange

Photosynthesis Chemical Equation

Leaf Structure

Human Nutrition

Human Diet & Digestion

Diet & Deficiencies

Digestive System

Physical Digestion

Chemical Digestion

Enzymes in Digestion

Hydrochloric Acid

Transport in Plants

Transport in Plants

Xylem & Phloem

Root Hair Cells

Pathway Taken by Water

Transpiration

Investigating Temperature & Wind Speed

Transport in Animals

Circulatory Systems, Heart & Blood Vessels

Circulatory System

The Mammalian Heart

Monitoring Activity of the Heart

Investigating Effect of Physical Activity on Heart Rate

Coronary Heart Disease

Explaining the Effect of Physical Activity on Heart Rate

Blood Vessels

Structure & Function of Blood Vessels

Components of Blood

Diseases & Immunity

Diseases & Immunity

Pathogens & Barriers

Controlling the Spread of Disease

Active Immunity

Gas Exchange in Humans

Gas Exchange in Humans

Features of Gas Exchange Surfaces

The Breathing System

Investigating the Effects of Physical Activity on Breathing

Respiration

Respiration

Respiration in Cells

Aerobic Respiration

Drugs

Drugs in Medicine

Drugs in Medicine

Reproduction

Reproduction in Plants & Humans

Sexual Reproduction in Plants

Sexual Reproduction in Humans

Sexual Hormones in Humans

Organisms & Their Environment

Energy & Feeding Relationships

Transfer of Energy

Food Chains & Food Webs

Nutrient Cycles

Human Influences on Ecosystems

Human Impact: Biodiversity, Pollution & Conservation

The Importance of Biodiversity

Endangered Species

Exam boards

• Cambridge (CIE) IGCSE Combined Science: Physics
• Cambridge (CIE) IGCSE Combined Science: Chemistry
• Edexcel IGCSE Science (Double Award): Biology
• Edexcel IGCSE Science (Double Award): Chemistry
• Edexcel IGCSE Science (Double Award): Physics

Study tools

• Cambridge (CIE) IGCSE Combined Science · Exam Questions
• Cambridge (CIE) IGCSE Combined Science · Past Papers

Related links

• IGCSE Science · Revision Notes
• IGCSE Science · Exam Questions
• IGCSE Science · Flashcards
• IGCSE Science · Past Papers
• Cambridge (CIE) IGCSE Combined Science: Biology · Exam specification