Pathogens

Question 1

Definition

Answer 1

infectious agents causing diseases.

Question 2

Non-cellular agents:

Answer 2

• Viruses (e.g. pathogen causing HIV)

* Prions (Mad Cow disease)

Question 3

Cellular agents:

Answer 3

• Bacteria (e.g. pathogens causing good poisoning)
• Fungi (e.g. Tinea & Botrytis or grape fungi)
• Protists (e.g. Giardia/Malaria)
• Parasites (live in or on hosts)
• Endoparasites (e.g. flatworms and roundworms)
• Exoparasites (e.g fleas and ticks)