P3

Question 1

What is a pathogen?

Answer 1

A pathogen is a microorganism that causes a disease.

Question 2

What are the 4 main types of pathogens?

Answer 2

1. Viruses
2. Bacteria
3. Fungi
4. Protists

Question 3

Give examples for the 4 main pathogens

Answer 3

Pathogen Example in animals Example in plants

Viruses HIV potentially leading to AIDS Tobacco mosaic virus

Bacteria Salmonella Agrobacterium

Fungi Athlete’s foot Rose black spot

Protists Malaria Downy mildew

Question 4

Diseases caused by pathogens are called….

Answer 4

…. communicable diseases