2/1 Packet Pathogens

Which pathogen is non-living?

• Virus

• Bacteria

• Fungi

• Parasite/Protist

• They are all alive

Viruses reproduce themselves by...

• dividing into two identical copies
• causing cells to transform into viruses
• making host cells reproduce copies of the viruses
• planting eggs inside host organisms

Which of the following statements about pathogens is true?

• A pathogen describes anything that causes illness or disease
• Pathogens are all microscopic
• All pathogens are transmitted through the air from host to host
• All pathogens cause cells to swell and burst

which pathogen lives in or on a host?

• bacteria
• virus
• parasite
• fungus

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

• viruses

• parasites

• fungi

• bacteria

Which best compares bacteria and viruses?

• bacteria are smaller than viruses
• bacteria cause disease, but viruses do not
• bacteria have genetic material, but viruses do not
• bacteria are living organisms, but viruses are not

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

Which pathogen is treated with anti-fungal cream?

• fungi

• virus

• parasites

• bacteria

Vaccines are used to prevent diseases by which type of pathogen?

• virus

• bacteria

• parasite

• fungi