Answer :

Specific immunity occurs when pathogens infect only a certain type of organism, the correct option is (a).

Specific immunity, also known as adaptive immunity, occurs when pathogens infect only a certain type of organism. It is a highly specialized defense mechanism that targets specific pathogens and provides long-term protection against them.

Specific immunity involves the activation of immune cells, such as B cells and T cells, which are capable of recognizing and responding to specific antigens present in pathogens. These immune cells undergo a process of activation, proliferation, and differentiation to mount an effective immune response, the correct option is (a).

To learn more about pathogens follow the link:

https://brainly.com/question/31994092

#SPJ4

The appropriate question is:

Which type of immunity occurs when pathogens infect only a certain type of organism?

a. Specific immunity

b. Innate immunity

c. Active immunity

d. Nonspecific immunity

Thank you for reading the article Which type of immunity occurs when pathogens infect only a certain type of organism. We hope the information provided is useful and helps you understand this topic better. Feel free to explore more helpful content on our website!

Rewritten by : Jeany