Question

which of the following best describes a host organism?
a. ○ an individual organism infected by a pathogen
b. ○ an organism that is immune to a specific infectious agent
c. ○ a type of organism that causes infectious diseases
d. ○ an organism whose genetic material is compatible with that of a pathogen

Explanation:

A host organism is defined as a living organism that provides a habitat and resources for a pathogen (such as a virus, bacteria, or parasite) to survive, grow, and reproduce. Option B refers to an immune organism, option C describes a pathogen, and option D refers to an organism with matching genetic material to a pathogen, which is not the definition of a host.

Answer:

A. an individual organism infected by a pathogen