3.1.2 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

Tags

NGSS.MS-LS2-4

A class of organisms that harm their host by producing toxins that interfere with normal body function.

• liverwarts

• Slime molds

• Bacteria

• Amoebas

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

• contact with environmental sources

• contact with an infected animal

• contact with a contaminated object

• contact with an infected person

The best way to prevent a viral infection is to

• take antibiotics

• take antiviral meds

• get a vaccination

• Stay away from sick people

Which pathogen needs a host cell to reproduce?

• virus

• bacteria

• fungus

• parasite/protist

Which pathogen has spores that are carried through the air?

• protist/parasite

• fungi

• bacteria

• virus

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi