GCSE Biology Pathogens
Pathogens are microorganisms that cause communicable (infectious) diseases. These can include viruses, bacteria, protists, and fungi.
Do you know how different pathogens spread?
What is Pathogens?
"Pathogens are microorganisms such as viruses, bacteria, protists, and fungi that cause communicable (infectious) diseases."
Which group contains only types of pathogen?
Which statement best explains why communicable diseases can spread through a population?
Which feature is true of viruses but not of bacteria?
Which action would most directly reduce the spread of a food-borne bacterial disease?
Pathogen Basics
Bacteria produce toxins that damage tissues and make us feel ill.
Viruses live and replicate inside cells, causing cell damage as they reproduce.
Pathogens can be spread by air, water, or direct contact.
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