AQA GCSE Biology · 8461
Specification 4.2.2.5, 4.3.1.1, 4.3.1.3, 4.3.1.4, 4.3.1.5, 4.3.1.6, 4.3.1.7, 4.3.1.8, 4.3.3.1, 4.3.3.2, 4.7.1.3, 4.7.5.1 · Paper 1, Paper 2
A microorganism, such as a bacterium, virus, fungus or protist, that causes disease.
Revise: Health and DiseaseA communicable disease can be transmitted between organisms. It is caused by a pathogen, such as a bacterium, virus, fungus or protist. Transmission may be direct or may occur through routes such as air, water, bodily fluids or another organism.
- Revise: Infectious Disease Spread
A microorganism that causes an infectious disease in an animal or plant.
- Revise: Bacterial Diseases
A disease-causing microorganism, such as a bacterium or virus.
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- Revise: Fungal Diseases
A microorganism that causes an infectious disease in a plant or animal.
- Revise: Protist Diseases
A microorganism that causes an infectious disease.
- Revise: Human Defence Systems
A microorganism, such as a bacterium, virus, fungus or protist, that causes infectious disease.
- Revise: Vaccination
A microorganism, such as a bacterium or virus, that causes infectious disease.
- Revise: Antibiotics and Medicines
- Revise: Disease Detection in Plants
A microorganism that causes an infectious disease; plant pathogens may be viruses, bacteria or fungi.
- Revise: Plant Defences
A microorganism that causes infectious disease.
- Revise: Biotic Factors
A microorganism or other infectious agent that causes disease.
- Revise: Food Security Factors
A microorganism that causes disease in crops or livestock.