Diseases and Living Organism LS8.1.1

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 is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

Influenza is caused by:

• virus

• bacteria

• parasite

• fungi

An organism that lives on or in a host, and causes it harm while it takes its nutrients is called

• a host

• a parasite

• a cell

• a virus

Infectious diseases are caused by _________ in the body.

• pathogens

• decomposers

Disease causing agents such as bacteria and viruses are called _______________.

• pathogens

• antibodies

• villians

• particles

What is the primary function of your immune system?

• to create organelles

• to protect your body from pathogens

• to aid in blood circulation

• to protect your bones and muscles

A living cell that a virus infects is called a ________ cell.

• mast

• host

• cast

• partner